Merge pull request #111 from MobileFirstLLC/issue-86

#86: migrate new extension starter to MV3

config/init/background.js

@@ -1 +1 @@
-window.alert('Greetings from background! Edit Me!');
+console.log('This is background service worker - edit me!');

config/init/manifest.json

@@ -2,22 +2,19 @@
   "name": "__MSG_appName__",
   "short_name": "__MSG_appShortName__",
   "description": "__MSG_appDescription__",
-  "homepage_url": "${homepage}",
-  "version": "${version}",
-  "version_name": "${version}",
-  "manifest_version": 2,
+  "homepage_url": "http://chrome.google.com/webstore",
+  "version": "0.0.1",
+  "manifest_version": 3,
   "default_locale": "en",
-  "minimum_chrome_version": "31",
-  "incognito": "split",
+  "minimum_chrome_version": "88",
   "permissions": [],
   "icons": {
     "128": "assets/img/128x128.png"
   },
   "background": {
-    "scripts": ["background.js"],
-    "persistent": false
+    "service_worker": "background.js"
   },
-  "browser_action": {
+  "action": {
     "default_icon": {
       "16": "assets/img/16x16.png",
       "24": "assets/img/24x24.png",