Examine source code of bScript

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "1.0.8",
  "homepage_url": "https://github.com/jhonatasrm/bScript",
  "default_locale": "en",
  "author": "Jhonatas Machado",
  "applications": {
    "gecko": {
      "id": "bScript@jhonatasrm.com",
      "strict_min_version": "58.0"
    }
  },
  "icons": {
    "40": "/res/icons/icon.png",
    "80": "/res/icons/icon@2x.png"
  },
  "page_action": {
    "browser_style": true,
    "default_icon": "/res/icons/bScript_enabled-32.png",
    "default_title": "__MSG_javascriptEnabled__"
  },
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "/js/bScript.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_start"
    }
  ],
  "background": {
    "scripts": [
      "/js/background.js"
    ]
  },
  "options_ui": {
    "browser_style": false,
    "open_in_tab": true,
    "page": "html/preferences.html"
  },
  "permissions": [
    "tabs",
    "<all_urls>",
    "webRequest",
    "webRequestBlocking",
    "storage",
    "menus",
    "contextMenus"
  ]
}