Adding web-ext step to Actions

.github/workflows/main.yml

@@ -1,12 +1,7 @@
 name: Karma Tests
 
 # Run on Pull Request to $branch only
-on:
-  pull_request:
-    branches: [ $branch ]
-  push:
-    branches:
-      master
+on: [push]
 
 # Job Setup
 jobs:
@@ -16,8 +11,24 @@ jobs:
     - uses: actions/checkout@v2 #Checkout Repo
     - uses: actions/setup-node@v1 #Setup Node
       with:
-        node-version: '12'
+        node-version: '22'
     - name: Run Karma Tests
       run: |
         npm install
-        npm run test  
+        npm run test
+      timeout-minutes: 5
+  web-ext:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2 #Checkout Repo
+    - name: Install
+      run: |
+        npm install
+        mkdir external
+        cp node_modules/webextension-polyfill/dist/browser-polyfill.min.js external/browser-polyfill.min.js
+    - name: Web-ext lint
+      uses: kewisch/action-web-ext@v1
+      with:
+        cmd: lint
+        channel: listed
+