ci: use gh actions, add dependabot (#44)

.github/dependabot.yml

@@ -0,0 +1,17 @@
+# Basic dependabot.yml file with
+# minimum configuration for two package managers
+
+version: 2
+updates:
+  # Enable version updates for npm
+  - package-ecosystem: "npm"
+    # Look for `package.json` and `lock` files in the `root` directory
+    directory: "/"
+    # Check the npm registry for updates every day (weekdays)
+    schedule:
+      interval: "daily"
+  # Enable updates to github actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/workflows/tests.yml

@@ -0,0 +1,15 @@
+name: tests
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Use Node.js 16
+      uses: actions/setup-node@v3
+      with:
+        node-version: 16
+    - run: npm i
+    - run: npm test

readme.md

@@ -2,16 +2,15 @@
 
 A classless stylesheet for HTML documents.
 
-[![latest version][npm-img]][npm-url]
-[![build status][travis-img]][travis-url]
-[![stability][stability-img]][stability-url]
-[![downloads][downloads-img]][npm-url]
+[![npm][npm-image]][npm-url]
+[![build][build-image]][build-url]
+[![downloads][downloads-image]][npm-url]
 
-[npm-img]: https://img.shields.io/npm/v/style.css.svg?style=flat-square
+[npm-image]: https://img.shields.io/npm/v/style.css.svg
 [npm-url]: https://www.npmjs.com/package/style.css
-[stability-img]: https://img.shields.io/badge/stability-stable-brightgreen.svg?style=flat-square
-[stability-url]: https://iojs.org/api/documentation.html#documentation_stability_index
-[downloads-img]: https://img.shields.io/npm/dm/style.css.svg?style=flat-square
+[build-image]: https://github.com/ungoldman/style.css/actions/workflows/tests.yml/badge.svg
+[build-url]: https://github.com/ungoldman/style.css/actions/workflows/tests.yml
+[downloads-image]: https://img.shields.io/npm/dm/style.css.svg
 
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