Examine source code of Mask Mate - Screen & Privacy Redactor

{
  "manifest_version": 3,
  "name": "Mask Mate - Screen & Privacy Redactor",
  "version": "1.1.35",
  "description": "Highlight, blur, black out, or replace sensitive info on any webpage before taking screenshots.",
  "permissions": [
    "activeTab",
    "scripting",
    "storage",
    "contextMenus"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "icons/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_title": "Mask Mate Control Panel",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content/content.js"
      ],
      "css": [
        "content/content.css"
      ],
      "run_at": "document_start",
      "all_frames": false
    }
  ],
  "background": {
    "scripts": [
      "background/background.js"
    ]
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "commands": {
    "toggle-maskmate-panel": {
      "suggested_key": {
        "default": "Alt+Shift+M",
        "mac": "Alt+Shift+M"
      },
      "description": "Open/Close Mask Mate Control Panel"
    },
    "toggle-inspect": {
      "suggested_key": {
        "default": "Alt+Shift+R",
        "mac": "Alt+Shift+R"
      },
      "description": "Start/Stop Redactor Inspector"
    },
    "toggle-live-typing": {
      "suggested_key": {
        "default": "Alt+Shift+T",
        "mac": "Alt+Shift+T"
      },
      "description": "Toggle Stealth Live Typing Mask"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "maskmate@getmaskmate.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo"
        ]
      }
    }
  }
}