Examine source code of Reddit Image Download

{
  "manifest_version": 3,
  "name": "Reddit Image Download",
  "description": "Download Reddit images in their original format and full resolution, bypassing WebP compression.",
  "version": "1.0.2",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "permissions": [
    "downloads",
    "storage",
    "activeTab"
  ],
  "host_permissions": [
    "https://*.reddit.com/*",
    "https://*.redd.it/*"
  ],
  "action": {
    "default_icon": {
      "48": "icons/icon-48.png",
      "96": "icons/icon-96.png"
    },
    "default_title": "Reddit Image Download"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "reddit-image-download@zawaro",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "open_in_tab": false,
    "page": "options.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.reddit.com/*"
      ],
      "run_at": "document_idle",
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}