Examine source code of Note Station Web Clipper（For Synology）

{
  "manifest_version": 2,
  "name": "Synology Web Clipper",
  "version": "1.0.0",
  "default_locale": "en",
  "description": "Synology Note Station Web Clipper",
  "icons": {
    "16": "css/images/NoteStation_clipper_16.png",
    "48": "css/images/NoteStation_clipper_48.png",
    "128": "css/images/NoteStation_clipper_128.png"
  },
  "background": {
    "page": "background.html",
    "persistent": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ackerx@126.com"
    }
  },
  "browser_action": {
    "default_title": "Synology Note Station Web Clipper"
  },
  "content_scripts": [
    {
      "js": [
        "3rdparty/jquery-3.6.0.min.js",
        "3rdparty/gmail.js"
      ],
      "run_at": "document_idle",
      "matches": [
        "https://mail.google.com/*"
      ]
    },
    {
      "js": [
        "js/uistring.js",
        "scripts/ext-3.4/adapter/ext/ext-base.js",
        "scripts/ext-3.4/ext-all.js",
        "scripts/ext-3.4/ux/ux-all.js",
        "js/util.js",
        "js/simplify.js",
        "js/screenshot.js",
        "js/gmail_content.js",
        "js/mailplus_content.js",
        "js/clipper.js",
        "3rdparty/readability.js"
      ],
      "run_at": "document_idle",
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self';",
  "permissions": [
    "webRequest",
    "storage",
    "unlimitedStorage",
    "contextMenus",
    "tabs",
    "http://*/*",
    "https://*/*",
    "activeTab",
    "<all_urls>"
  ],
  "web_accessible_resources": [
    "modules/TinyMCE/*",
    "modules/TinyMCE/js/tinymce/*",
    "manifest.json",
    "scripts/*",
    "css/*",
    "js/simplify_dialog.js",
    "js/main_dialog.js",
    "js/mailplus_view.js",
    "js/util.js",
    "login.html",
    "clipper.html",
    "simplify.html",
    "mailplus.html",
    "setting.html",
    "status.html"
  ]
}