Examine source code of AD-Twitcher: Twitch Drops & Points Claimer

{
  "manifest_version": 2,
  "name": "__MSG_extName__",
  "version": "1.0.9",
  "default_locale": "en",
  "description": "__MSG_extDescription__",
  "browser_specific_settings": {
    "gecko": {
      "id": "ad-twitcher@zcrxticxl",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "strict_min_version": "109.0"
    }
  },
  "permissions": [
    "storage",
    "tabs",
    "alarms",
    "notifications",
    "*://*.twitch.tv/*"
  ],
  "background": {
    "persistent": true,
    "scripts": [
      "lib/browser.js",
      "lib/log.js",
      "lib/storage.js",
      "background/live-watch.js",
      "background/watch-health.js",
      "background/drops-orchestrator.js",
      "background/sw.js"
    ]
  },
  "browser_action": {
    "default_title": "__MSG_extActionTitle__",
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.twitch.tv/*"
      ],
      "run_at": "document_idle",
      "all_frames": false,
      "css": [
        "content/overlay.css"
      ],
      "js": [
        "content/beacon.js",
        "lib/browser.js",
        "lib/log.js",
        "lib/storage.js",
        "lib/dom.js",
        "content/modules/watch-health.js",
        "content/modules/channel-points.js",
        "content/modules/drops.js",
        "content/modules/ad-mute.js",
        "content/modules/viewer-stats.js",
        "content/modules/sidebar-watch.js",
        "content/index.js"
      ]
    }
  ]
}