Examine source code of FACEIT to Leetify Demo Uploader by CSNADES.gg

{
  "manifest_version": 3,
  "version": "0.6.2",
  "name": "FACEIT to Leetify Demo Uploader by CSNADES.gg",
  "description": "Automatically upload FACEIT match demos to Leetify. Made by CSNADES.gg",
  "browser_specific_settings": {
    "gecko": {
      "id": "faceit-to-leetify@csnades.gg"
    }
  },
  "icons": {
    "48": "icon.48.png",
    "128": "icon.128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://faceit.com/*",
        "https://www.faceit.com/*"
      ],
      "js": [
        "/faceit/contentScript.js"
      ],
      "css": [
        "styles.inject.css"
      ]
    },
    {
      "matches": [
        "https://faceit.com/*",
        "https://www.faceit.com/*"
      ],
      "js": [
        "/faceit/web.js"
      ],
      "world": "MAIN"
    },
    {
      "all_frames": true,
      "matches": [
        "https://leetify.com/gcpd-extension-auth"
      ],
      "js": [
        "leetify/auth/contentScript.js"
      ]
    },
    {
      "matches": [
        "https://leetify.com/app/*"
      ],
      "js": [
        "leetify/contentScript.js"
      ],
      "css": [
        "styles.inject.css"
      ]
    }
  ],
  "background": {
    "scripts": [
      "serviceWorker.js"
    ]
  },
  "action": {
    "default_popup": "public/popup.html"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "faceit/web.js",
        "styles.inject.css"
      ],
      "matches": [
        "https://faceit.com/*",
        "https://www.faceit.com/*"
      ]
    }
  ],
  "permissions": [
    "storage"
  ]
}