Examine source code of Epic games Library Mobile

{
  "manifest_version": 2,
  "name": "Epic Library Mobile",
  "description": "Your Epic Games library on any screen: floating button, game cards with covers and tags, direct store links.",
  "version": "0.4.3",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "64": "icon/64.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "author": "Nikman17",
  "homepage_url": "https://github.com/Nikman17/epic-library-mobile",
  "permissions": [
    "storage",
    "https://*.epicgames.com/*"
  ],
  "commands": {
    "toggleDialog": {
      "description": "Toggle the dialog",
      "suggested_key": {
        "default": "Alt+G",
        "mac": "Command+G"
      }
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "epic-games-library-android@nikman17",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "options.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.epicgames.com/*"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}