Examine source code of Tool Forge

{
  "name": "Tool Forge",
  "description": "A powerful set of utility tools in your browser - Password Generator, Lorem Ipsum Generator, JWT Decoder, and more.",
  "version": "1.0.1",
  "manifest_version": 2,
  "author": "Tonmoy Deb",
  "homepage_url": "https://github.com/tonmoydeb404/tool-forge",
  "icons": {
    "16": "icon/icon16.png",
    "32": "icon/icon32.png",
    "48": "icon/icon48.png",
    "128": "icon/icon128.png"
  },
  "browser_action": {
    "default_popup": "src/popup.html",
    "default_title": "Tool Forge - Utility Tools",
    "default_icon": {
      "16": "icon/icon16.png",
      "32": "icon/icon32.png",
      "48": "icon/icon48.png",
      "128": "icon/icon128.png"
    }
  },
  "background": {
    "scripts": [
      "src/background.js"
    ],
    "persistent": false
  },
  "permissions": [
    "storage"
  ],
  "applications": {
    "gecko": {
      "id": "toolforge@tonmoydeb.com"
    }
  }
}