Examine source code of OmniPull-Downloader

{
  "manifest_version": 2,
  "name": "OmniPull Download Manager",
  "version": "1.5.1",
  "description": "Intercept downloads and send them to OmniPull for faster, resumable downloads.",
  "author": "Emmanuel Gyimah Annor",
  "homepage_url": "https://github.com/Annor-Gyimah/OmniPull",
  "browser_specific_settings": {
    "gecko": {
      "id": "{e899b50f-2a29-4bad-ab4d-b192447a10d0}",
      "strict_min_version": "78.0"
    },
    "data_collection_permissions": {
      "required": [
        "none"
      ]
    }
  },
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "webNavigation",
    "downloads",
    "nativeMessaging",
    "notifications",
    "storage",
    "contextMenus",
    "<all_urls>",
    "https://kwik.cx/*",
    "https://*.kwik.cx/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "youtube_content.js"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "*://*.tiktok.com/*"
      ],
      "js": [
        "tiktok_content.js"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "*://*.linkedin.com/*",
        "https://media.licdn.com/*"
      ],
      "js": [
        "linkedin_content.js"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "*://*.instagram.com/*"
      ],
      "js": [
        "instagram_content.js"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "*://*.animepahe.com/*",
        "*://*.animepahe.ru/*",
        "*://*.kwik.cx/*"
      ],
      "js": [
        "animepahe_content.js",
        "kwik_content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_action": {
    "default_icon": "icons/icon-48.png",
    "default_title": "OmniPull",
    "default_popup": "popup.html"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  }
}