Examine source code of VACNet Labeling Plus

{
  "manifest_version": 3,
  "name": "VACNet Labeling Plus",
  "description": "Quality of life tools for the CS2 VACNet clip labeling portal.",
  "version": "1.0.0",
  "icons": {
    "16": "icon/16.png",
    "48": "icon/48.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://www.counter-strike.net/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "vacnet-labeling-plus@luminary.pub",
      "strict_min_version": "128.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "action": {
    "default_title": "VACNet Labeling Plus",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.counter-strike.net/vacnet*"
      ],
      "run_at": "document_start",
      "js": [
        "content-scripts/bridge.js"
      ]
    },
    {
      "matches": [
        "https://www.counter-strike.net/vacnet*"
      ],
      "run_at": "document_start",
      "css": [
        "content-scripts/clips.css"
      ],
      "js": [
        "content-scripts/clips.js"
      ],
      "world": "MAIN"
    }
  ]
}