Examine source code of The Blocker

{
  "action": {
    "default_popup": "popup.html",
    "default_title": "The Blocker"
  },
  "author": "Vavien.",
  "background": {
    "scripts": [
      "js/background.js"
    ],
    "type": "module"
  },
  "browser_specific_settings": {
    "gecko": {
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "id": "the_blocker@addons.mozilla.org",
      "strict_min_version": "146.0"
    },
    "gecko_android": {
      "strict_min_version": "146.0"
    }
  },
  "content_scripts": [
    {
      "css": [
        "css/interface.css"
      ],
      "js": [
        "js/dom.js",
        "js/inject_css.js",
        "js/str.js",
        "js/base.js",
        "js/default.js",
        "js/widget_tabs.js",
        "js/content_script.js",
        "js/gif.js",
        "js/tooltip.js"
      ],
      "matches": [
        "https://techolay.net/sosyal/*",
        "https://www.technopat.net/sosyal/*"
      ],
      "run_at": "document_start"
    }
  ],
  "description": "techolay.net/sosyal ve technopat.net/sosyal için RESMİ OLMAYAN \"engelleyici\"",
  "homepage_url": "https://github.com/J3ekir/The-Blocker",
  "host_permissions": [
    "https://techolay.net/sosyal/*",
    "https://www.technopat.net/sosyal/*"
  ],
  "icons": {
    "16": "img/icon_16.png",
    "32": "img/icon_32.png",
    "48": "img/icon_48.png",
    "64": "img/icon_64.png",
    "96": "img/icon_96.png",
    "128": "img/icon_128.png"
  },
  "manifest_version": 3,
  "name": "The Blocker",
  "options_ui": {
    "open_in_tab": true,
    "page": "options.html"
  },
  "permissions": [
    "browserSettings",
    "declarativeNetRequest",
    "scripting",
    "storage",
    "unlimitedStorage"
  ],
  "version": "1.3.1"
}