Examine source code of KEKW Blocker

{
  "manifest_version": 2,
  "name": "KEKW Blocker",
  "version": "1.1.1",
  "description": "Twitch ad blocker with self-healing config",
  "browser_specific_settings": {
    "gecko": {
      "id": "ttv-adblock@example.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent",
          "browsingActivity"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "tabs",
    "storage",
    "*://*.twitch.tv/*",
    "*://usher.ttvnw.net/*",
    "*://*.hls.ttvnw.net/*",
    "*://*.ttvnw.net/*",
    "*://*.cloudfront.net/*",
    "*://ad.doubleclick.net/*",
    "*://imasdk.googleapis.com/*",
    "*://pubads.g.doubleclick.net/*",
    "*://www.googleadservices.com/*",
    "*://video-ad-stats.googlesyndication.com/*",
    "*://pagead2.googlesyndication.com/*",
    "*://securepubads.g.doubleclick.net/*",
    "*://*.amazon-adsystem.com/*",
    "*://dorquex-ctrl.github.io/*"
  ],
  "options_page": "options/options.html",
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "background": {
    "scripts": [
      "src/browser-polyfill.js",
      "src/config.js",
      "src/background/state.js",
      "src/background/badge.js",
      "src/background/layers/segment-sub.js",
      "src/background/orchestrator.js",
      "src/background/remote-config.js",
      "src/background/main.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.twitch.tv/*"
      ],
      "js": [
        "src/browser-polyfill.js",
        "src/config.js",
        "src/content/inject-early.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    },
    {
      "matches": [
        "*://*.twitch.tv/*"
      ],
      "js": [
        "src/browser-polyfill.js",
        "src/config.js",
        "src/content/player-monitor.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    "assets/blank.ts",
    "src/content/page-inject.js"
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}