Add GitHub Actions support. (#319)

.github/workflows/ci.yml

@@ -0,0 +1,30 @@
+name: CI
+
+on:
+  push:
+    branches-ignore:
+      - "renovate/**"
+  pull_request:
+
+env:
+  FORCE_COLOR: 2
+  NODE: 14.x
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: "${{ env.NODE }}"
+
+      - name: Install npm dependencies
+        run: npm install
+
+      - name: Lint
+        run: npm run lint

README.md

@@ -1,8 +1,9 @@
-# Livemarks
+# Livemarks [![Build Status](https://github.com/nt1m/livemarks/workflows/CI/badge.svg?branch=master)](https://github.com/nt1m/livemarks/actions?query=workflow%3ACI+branch%3Amaster)
 
 This add-on provides RSS feed bookmark folders, that are auto-updated regularly, similarly to Firefox's old Livemarks.
 
 ### Features
+
 - Auto updating RSS bookmark folders
 - Read/unread support
 - Detect RSS/Atom feed availability on web pages
@@ -12,10 +13,11 @@ This add-on provides RSS feed bookmark folders, that are auto-updated regularly,
 **Note that Firefox tracking protection may be blocking some of your feeds like Reddit.** ([issue 38](https://github.com/nt1m/livemarks/issues/38))
 
 ### Things that can't be implemented due to Firefox limitations:
+
 - Custom icon/fonts/color on live bookmarks UI
 - Change drag and drop behaviour
 - Hiding livemarks from the "Recently Bookmarked" folder ([issue 44](https://github.com/nt1m/livemarks/issues/44))
 
-Help with translation: https://www.transifex.com/tim-nguyen/livemarks/
+Help with translation: <https://www.transifex.com/tim-nguyen/livemarks/>
 
-This is a mostly rewritten version of https://github.com/davidhampgonsalves/foxish
+This is a mostly rewritten version of <https://github.com/davidhampgonsalves/foxish>