Examine source code of CBM Manager

{
  "manifest_version": 2,
  "default_locale": "en",
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "1.1.1",
  "author": "Olivier de Broqueville",
  "browser_specific_settings": {
    "gecko": {
      "id": "cbm@cbm.com",
      "strict_min_version": "79.0"
    }
  },
  "web_accessible_resources": [
    "/history.html",
    "/bookmarks.html",
    "/images/*.png",
    "/scripts/Sortable.min.js"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'; img-src *; ",
  "page_action": {
    "show_matches": [
      "<all_urls>"
    ],
    "browser_style": true,
    "default_icon": "/icons/context-search.svg",
    "default_title": "Add search engine to Context Search"
  },
  "sidebar_action": {
    "browser_style": false,
    "default_icon": "/icons/context-search.svg",
    "default_title": "Search results",
    "default_panel": "/sidebar/search_results.html",
    "open_at_install": false
  },
  "background": {
    "scripts": [
      "/scripts/background.js"
    ]
  },
  "permissions": [
    "activeTab",
    "contextMenus",
    "storage",
    "search",
    "webRequest",
    "webRequestBlocking"
  ],
  "optional_permissions": [
    "notifications",
    "downloads",
    "bookmarks",
    "history"
  ],
  "omnibox": {
    "keyword": "cbm"
  },
  "icons": {
    "16": "icons/icon_16.png",
    "20": "icons/icon_20.png",
    "24": "icons/icon_24.png",
    "32": "icons/icon_32.png",
    "48": "icons/icon_48.png",
    "64": "icons/icon_64.png",
    "128": "icons/icon_128.png",
    "256": "icons/icon_256.png",
    "512": "icons/icon_512.png"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true,
    "browser_style": true
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "/scripts/selection.js"
      ]
    }
  ]
}