Examine source code of Zoho Annotator

{
  "name": "__MSG_extName__",
  "version": "2.3.4",
  "default_locale": "en",
  "description": "__MSG_extDescription__",
  "permissions": [
    "activeTab",
    "downloads",
    "tabs",
    "contextMenus",
    "storage",
    "clipboardWrite",
    "clipboardRead",
    "scripting"
  ],
  "short_name": "__MSG_extShortName__",
  "background": {
    "scripts": [
      "js/zbackground.js"
    ]
  },
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "content_scripts": [
    {
      "js": [
        "dependency/js/jquery-3.3.1.js",
        "js/zinsert-frame.js",
        "js/zidb-helpers.js",
        "js/contentScript.js",
        "js/zpreferencesdefault.js"
      ],
      "css": [
        "styles/zinsert-frame.css",
        "styles/delayed-capture.css"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "html/zcopy.html",
        "js/zcopy-clipboard.js",
        "fonts/*.ttf",
        "fonts/webfonts/*",
        "html/zcameraweb.html",
        "js/zinsert-webCam.js",
        "images/empty.png",
        "images/zannotator.png",
        "images/zannotator-2x.png",
        "images/zannotator__cursor--brush.png",
        "images/zannotator__cursor--numbering.png",
        "images/zannotator__cursor--pen.png",
        "images/zannotator__cursor--question.png",
        "images/zannotator__cursor--tick.png",
        "images/zannotator__cursor--wrong.png",
        "audio/timerAudio.mp3",
        "audio/captureAudio.mp3",
        "audio/rushTimerAudio.mp3",
        "audio/timer.mp3",
        "js/partial-screen.js",
        "dependency/js/jquery-3.3.1.js",
        "dependency/js/RecordRTC.js",
        "js/zinsert-frame.js",
        "js/zinsert-webCam.js",
        "images/logo/logo-paused-1.svg",
        "images/logo/logo-paused-2.svg"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "commands": {
    "entireScreen": {
      "suggested_key": {
        "default": "Ctrl+Shift+1",
        "mac": "MacCtrl+Shift+1"
      },
      "description": "Capture Entire Screen"
    },
    "fullPage": {
      "suggested_key": {
        "default": "Ctrl+Shift+2",
        "mac": "MacCtrl+Shift+2"
      },
      "description": "Capture Full Page"
    },
    "visibleArea": {
      "suggested_key": {
        "default": "Ctrl+Shift+3",
        "mac": "MacCtrl+Shift+3"
      },
      "description": "Capture Visible Area of the Page"
    },
    "partialScreen": {
      "suggested_key": {
        "default": "Ctrl+Shift+4",
        "mac": "MacCtrl+Shift+4"
      },
      "description": "Capture Part of the Page"
    }
  },
  "action": {
    "default_icon": {
      "16": "images/logo/16.png",
      "24": "images/logo/24.png",
      "32": "images/logo/32.png"
    },
    "default_popup": "html/popup.html"
  },
  "options_ui": {
    "page": "html/zpreferences.html",
    "open_in_tab": true
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self';"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d4504156-6a58-4503-86b5-2f9a773844e4}"
    }
  },
  "icons": {
    "16": "images/logo/16.png",
    "32": "images/logo/32.png",
    "48": "images/logo/48.png",
    "128": "images/logo/128.png"
  },
  "manifest_version": 3
}