Examine source code of Groupify Youtube Organize

{
  "icons": {
    "16": "icon16.plasmo.e7bcd3ac.png",
    "32": "icon32.plasmo.ce39377b.png",
    "48": "icon48.plasmo.3c17e113.png",
    "64": "icon64.plasmo.df317abe.png",
    "128": "icon128.plasmo.6a4310c5.png"
  },
  "manifest_version": 2,
  "browser_action": {
    "default_icon": {
      "16": "icon16.plasmo.e7bcd3ac.png",
      "32": "icon32.plasmo.ce39377b.png",
      "48": "icon48.plasmo.3c17e113.png",
      "64": "icon64.plasmo.df317abe.png",
      "128": "icon128.plasmo.6a4310c5.png"
    },
    "default_title": "Groupify"
  },
  "version": "1.4.0",
  "author": "arthurbugan",
  "name": "Groupify Youtube Organize",
  "description": "Organize your youtube channels into groups and lists. Access them from Crunchyroll and Youtube the sidebar",
  "background": {
    "scripts": [
      "static/background/index.js"
    ]
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "sidebar_action": {
    "default_panel": "sidepanel.html"
  },
  "permissions": [
    "storage",
    "activeTab",
    "cookies",
    "https://youtube.com/*",
    "https://www.youtube.com/*",
    "https://groupify.dev/*",
    "https://coolify.groupify.dev/*",
    "https://api.groupify.dev/*",
    "https://www.crunchyroll.com/*",
    "https://www.tiktok.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://groupify.dev/*",
        "https://www.youtube.com/*",
        "https://youtube.com/*"
      ],
      "js": [
        "content.166f1fa0.js"
      ],
      "css": []
    },
    {
      "matches": [
        "https://youtube.com/*",
        "https://www.youtube.com/*"
      ],
      "js": [
        "GroupItem.a04ec761.js"
      ],
      "all_frames": true,
      "css": []
    },
    {
      "matches": [
        "https://youtube.com/*",
        "https://www.youtube.com/*"
      ],
      "js": [
        "Sidebar.64ebde59.js"
      ],
      "all_frames": true,
      "css": []
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "Modal.7bcde2f9.js"
      ],
      "css": []
    },
    {
      "matches": [
        "https://youtube.com/*",
        "https://www.youtube.com/*"
      ],
      "js": [
        "QuickAddButton.8799af2b.js"
      ],
      "all_frames": true,
      "css": []
    },
    {
      "matches": [
        "https://youtube.com/*",
        "https://www.youtube.com/*"
      ],
      "js": [
        "SyncChannels.d800b893.js"
      ],
      "all_frames": true,
      "css": []
    }
  ],
  "chrome": {
    "side_panel": {
      "default_path": "sidepanel.html"
    }
  },
  "externally_connectable": {
    "matches": [
      "*://*.iconify.design/*",
      "*://*.youtube.com/*",
      "*://*.groupify.dev/*"
    ]
  },
  "web_accessible_resources": [
    "options.html",
    "assets/icon.png",
    "Sidebar.97dea73a.css"
  ],
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "{f9477bdb-fc93-412a-a864-5e8667e1d8cd}"
    }
  }
}