Examine source code of HoverBlurr

{
  "manifest_version": 3,
  "name": "HoverBlurr",
  "version": "1.1.0",
  "description": "Blur images on web pages with customizable settings. Reveal on hover. Perfect for reducing distractions while browsing.",
  "author": "Qomarul Hasan",
  "homepage_url": "https://github.com/qomarhsn/HoverBlurr-Extension",
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    },
    "default_title": "HoverBlurr Settings"
  },
  "permissions": [
    "storage",
    "activeTab",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background/background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "lib/storage.js",
        "content/content.js"
      ],
      "css": [
        "content/content.css"
      ],
      "run_at": "document_end",
      "all_frames": false
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "hoverblurr@qomarhsn.github.io",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "commands": {
    "toggle-blur": {
      "suggested_key": {
        "default": "Alt+B"
      },
      "description": "Toggle blur on/off for current site"
    },
    "toggle-temp-whitelist": {
      "suggested_key": {
        "default": "Alt+T"
      },
      "description": "Toggle temporary whitelist for current site (session only)"
    }
  }
}