Examine source code of Screen OCR Translator

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "0.14.0",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "128": "icon/128.png"
  },
  "default_locale": "en",
  "homepage_url": "https://github.com/OPerepadia/ocr-translator-extension",
  "permissions": [
    "contextMenus",
    "declarativeNetRequestWithHostAccess",
    "storage"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_title": "__MSG_extensionName__",
    "default_popup": "popup.html"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "icon/ocr_icon_big.svg"
      ],
      "matches": [
        "<all_urls>"
      ]
    },
    {
      "resources": [
        "content-scripts/content.css"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "commands": {
    "start-selection": {
      "suggested_key": {
        "default": "Ctrl+Shift+F"
      },
      "description": "__MSG_commandTranslateScreenRegion__"
    }
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; worker-src 'self'; object-src 'self'"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3a401e65-0f9c-46a5-bf00-8176a581d2c3}",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "options.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "match_about_blank": true,
      "run_at": "document_idle",
      "js": [
        "content-scripts/content.js"
      ],
      "match_origin_as_fallback": true
    }
  ]
}