Add web-ext lint and add an id for gecko

manifest.json

@@ -17,6 +17,11 @@
   "host_permissions": [
     "*://*/*"
   ],
+  "browser_specific_settings": {
+    "gecko": {
+      "id": "{caedf018-aaa8-4999-b196-cd29026bb558}"
+    }
+  },
   "content_scripts": [
     {
         "matches": ["*://*/*"],

package.json

@@ -5,7 +5,7 @@
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "lint": "eslint src/**/*.js",
+    "lint": "eslint src/**/*.js && web-ext lint",
     "lint_fix": "eslint --fix src/**/*.js"
   },
   "repository": {
@@ -25,6 +25,7 @@
   "homepage": "https://github.com/sebastian-sauer/gitea-conventional-comments-button#readme",
   "devDependencies": {
     "eslint": "^8.45.0",
-    "eslint-config-google": "^0.14.0"
+    "eslint-config-google": "^0.14.0",
+    "web-ext": "^7.6.2"
   }
 }