chore: add lint workflow (#2)

.github/workflows/lint.yaml

@@ -0,0 +1,41 @@
+name: Lint
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Lint changelog file
+        uses: docker://avtodev/markdown-lint:v1
+        with:
+          rules: "/lint/rules/changelog.js"
+          config: "/lint/config/changelog.yml"
+          args: "./CHANGELOG.md"
+
+      - name: Lint markdown files
+        uses: docker://avtodev/markdown-lint:v1
+        with:
+          args: "./**/*.md -i ./CHANGELOG.md"
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Lint
+        run: npm run lint
+
+      - name: Build 🔧
+        run: npm run compile
+
+      - name: Generate Documentation 📜
+        run: npm run docs
+
+      - name: Test Docs
+        run: npm run docs-test

CHANGELOG.md

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+# CHANGELOG
+
+All notable changes to this project will be documented in this file.
+
+## Unreleased
+
+## v0.17.0
+
+Versions previous to `0.18.0` were developed in another repository.
+To see previous changelog entries see the [CHANGELOG.md](https://github.com/open-telemetry/opentelemetry-js/blob/main/CHANGELOG.md).