Examine source code of WebP Cloud

{
  "name": "WebP Cloud",
  "version": "0.1.4",
  "description": "Pick any image from the web and upload to webp.cloud",
  "author": "WebP Cloud",
  "permissions": [
    "contextMenus",
    "tabs",
    "storage",
    "clipboardWrite"
  ],
  "browser_action": {
    "default_icon": "./assets/img/logo-64.png",
    "default_popup": "./dist/index.html"
  },
  "background": {
    "scripts": [
      "./scripts/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "js": [
        "./scripts/content-script.js"
      ]
    }
  ],
  "icons": {
    "16": "./assets/img/logo-16.png",
    "32": "./assets/img/logo-32.png",
    "64": "./assets/img/logo-64.png"
  },
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{6f0dba12-8c8f-4318-a463-6afe60f6e122}"
    }
  }
}