chore: fix markdown linting and add npm script

.github/ISSUE_TEMPLATE/bug_report.md

@@ -8,19 +8,16 @@ Please answer these questions before submitting a bug report.
 
 ### What version of OpenTelemetry are you using?
 
-
 ### What version of Node are you using?
 
-
 ### What did you do?
-If possible, provide a recipe for reproducing the error.
 
+If possible, provide a recipe for reproducing the error.
 
 ### What did you expect to see?
 
-
 ### What did you see instead?
 
-
 ### Additional context
+
 Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -6,15 +6,18 @@ labels: feature-request
 
 **NB:** Before opening a feature request against this repo, consider whether the feature should/could be implemented in the [other OpenTelemetry client libraries](https://github.com/open-telemetry/). If so, please [open an issue on opentelemetry-specification](https://github.com/open-telemetry/opentelemetry-specification/issues/new) first.
 
+### Is your feature request related to a problem? Please describe.
 
-**Is your feature request related to a problem? Please describe.**
 A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
 
-**Describe the solution you'd like**
+### Describe the solution you'd like
+
 A clear and concise description of what you want to happen.
 
-**Describe alternatives you've considered**
+### Describe alternatives you've considered
+
 A clear and concise description of any alternative solutions or features you've considered.
 
-**Additional context**
+### Additional context
+
 Add any other context or screenshots about the feature request here.

.github/ISSUE_TEMPLATE/plugin_request.md

@@ -10,21 +10,26 @@ labels: plugin-request
 You are welcome to try out the [plugin api](https://github.com/open-telemetry/opentelemetry-js/blob/master/doc/plugin-guide.md) to build your own plugin. If you do try out the plugin api, please let us know if you have any questions/feedback.
 -->
 
-**Is your plugin request related to a problem? Please describe.**
+### Is your plugin request related to a problem? Please describe
+
 <!--
 A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
 -->
 
-**Is it applicable for Node or Browser or both**
+### Is it applicable for Node or Browser or both
+
+### Do you expect this plugin to be commonly used
 
-**Do you expect this plugin to be commonly used**
 Weekly Downloads:
 
-**What version of plugin are you interested in using**
+### What version of plugin are you interested in using
+
 Versions:
 
-**Additional context**
+### Additional context
+
 <!--
 Add any other context or screenshots about the plugin request here.
 -->
-- **Is there a reference you could point for the well-defined lifecycle methods**
+
+#### Is there a reference you could point for the well-defined lifecycle methods**

.markdownlint.json

@@ -2,5 +2,6 @@
   "MD013": false,
   "MD024": false,
   "MD033": false,
-  "MD041": false
+  "MD041": false,
+  "MD026": false
 }

examples/tracer-web/README.md

@@ -35,7 +35,6 @@ The screen will look as follows:
 
 ![Screenshot of the running example](images/xml-http-request.png)
 
-
 ### Fetch
 
 To see the results, open the browser at <http://localhost:8090/fetch/> and make sure you have the browser console open. The application is using the `ConsoleSpanExporter` and will post the created spans to the browser console.

metapackages/plugins-node-all/README.md

@@ -1,4 +1,5 @@
 # OpenTelemetry Plugins Node Core
+
 [![Gitter chat][gitter-image]][gitter-url]
 [![NPM Published Version][npm-img]][npm-url]
 [![dependencies][dependencies-image]][dependencies-url]
@@ -22,6 +23,7 @@ In addition to all [node core plugins][otel-plugins-node-core], the following pl
 Note: [@opentelemetry/plugin-dns][otel-plugin-dns] is excluded by default because it requires some manual configuration to prevent infinite loops with exporters.
 
 ## Useful links
+
 - For more information on OpenTelemetry, visit: <https://opentelemetry.io/>
 - For more about OpenTelemetry JavaScript: <https://github.com/open-telemetry/opentelemetry-js>
 - For help or feedback on this project, join us on [gitter][gitter-url]

package.json

@@ -25,7 +25,9 @@
     "lint": "lerna run lint",
     "lint:fix": "lerna run lint:fix",
     "lint:examples": "eslint ./examples/**/*.js",
-    "lint:examples:fix": "eslint ./examples/**/*.js --fix"
+    "lint:examples:fix": "eslint ./examples/**/*.js --fix",
+    "lint:markdown": "./node_modules/.bin/markdownlint $(git ls-files '*.md') -i ./CHANGELOG.md",
+    "lint:markdown:fix": "./node_modules/.bin/markdownlint $(git ls-files '*.md') -i ./CHANGELOG.md --fix"
   },
   "repository": "open-telemetry/opentelemetry-js",
   "keywords": [
@@ -40,19 +42,20 @@
   "devDependencies": {
     "@commitlint/cli": "8.3.5",
     "@commitlint/config-conventional": "8.3.4",
+    "@typescript-eslint/eslint-plugin": "3.3.0",
+    "@typescript-eslint/parser": "3.3.0",
     "beautify-benchmark": "0.2.4",
     "benchmark": "2.1.4",
     "eslint": "7.2.0",
     "eslint-config-airbnb-base": "14.2.0",
-    "eslint-plugin-import": "2.21.2",
     "eslint-plugin-header": "3.0.0",
-    "@typescript-eslint/eslint-plugin": "3.3.0",
-    "@typescript-eslint/parser": "3.3.0",
+    "eslint-plugin-import": "2.21.2",
     "gh-pages": "3.0.0",
     "gts": "2.0.2",
     "husky": "4.2.5",
     "lerna": "3.22.1",
     "lerna-changelog": "1.0.1",
+    "markdownlint-cli": "0.23.1",
     "typescript": "3.9.5"
   },
   "husky": {

packages/opentelemetry-exporter-collector/README.md

@@ -15,6 +15,7 @@ npm install --save @opentelemetry/exporter-collector
 ```
 
 ## Usage in Web
+
 The CollectorExporter in Web expects the endpoint to end in `/v1/trace`.
 
 ```js
@@ -36,6 +37,7 @@ provider.register();
 ```
 
 ## Usage in Node
+
 The CollectorExporter in Node expects the URL to only be the hostname. It will not work with `/v1/trace`.
 
 ```js

packages/opentelemetry-plugin-fetch/README.md

@@ -1,4 +1,5 @@
 # OpenTelemetry Fetch Instrumentation for web
+
 [![Gitter chat][gitter-image]][gitter-url]
 [![NPM Published Version][npm-img]][npm-url]
 [![dependencies][dependencies-image]][dependencies-url]
@@ -41,13 +42,15 @@ fetch('http://localhost:8090/fetch.js');
 ```
 
 ## Example Screenshots
+
 ![Screenshot of the running example](images/trace1.png)
 ![Screenshot of the running example](images/trace2.png)
 ![Screenshot of the running example](images/trace3.png)
 
 See [examples/tracer-web/fetch](https://github.com/open-telemetry/opentelemetry-js/tree/master/examples/tracer-web) for a short example.
 
 ## Useful links
+
 - For more information on OpenTelemetry, visit: <https://opentelemetry.io/>
 - For more about OpenTelemetry JavaScript: <https://github.com/open-telemetry/opentelemetry-js>
 - For help or feedback on this project, join us on [gitter][gitter-url]

packages/opentelemetry-plugin-grpc-js/README.md

@@ -1,4 +1,5 @@
 # OpenTelemetry @grpc/grpc-js Instrumentation for Node.js
+
 [![Gitter chat][gitter-image]][gitter-url]
 [![NPM Published Version][npm-img]][npm-url]
 [![dependencies][dependencies-image]][dependencies-url]
@@ -12,7 +13,7 @@ For automatic instrumentation see the
 
 ## Installation
 
-```
+```sh
 npm install --save @opentelemetry/plugin-grpc-js
 ```
 
@@ -21,6 +22,7 @@ npm install --save @opentelemetry/plugin-grpc-js
 OpenTelemetry gRPC Instrumentation allows the user to automatically collect trace data and export them to the backend of choice, to give observability to distributed systems when working with [gRPC](https://www.npmjs.com/package/@grpc/grpc-js).
 
 To load a specific plugin (**gRPC** in this case), specify it in the Node Tracer's configuration.
+
 ```javascript
 const { NodeTracerProvider } = require('@opentelemetry/node');
 
@@ -36,6 +38,7 @@ const provider = new NodeTracerProvider({
 ```
 
 To load all of the [supported plugins](https://github.com/open-telemetry/opentelemetry-js#plugins), use below approach. Each plugin is only loaded when the module that it patches is loaded; in other words, there is no computational overhead for listing plugins for unused modules.
+
 ```javascript
 const { NodeTracerProvider } = require('@opentelemetry/node');
 
@@ -44,8 +47,8 @@ const provider = new NodeTracerProvider();
 
 <!-- See [examples/grpc-js](https://github.com/open-telemetry/opentelemetry-js/tree/master/examples/grpc-js) for a short example. -->
 
-
 ## Useful links
+
 - For more information on OpenTelemetry, visit: <https://opentelemetry.io/>
 - For more about OpenTelemetry JavaScript: <https://github.com/open-telemetry/opentelemetry-js>
 - For help or feedback on this project, join us on [gitter][gitter-url]