Examine source code of Palette Vault - color palettes & extractor

{
  "manifest_version": 3,
  "name": "Palette Vault - color palettes & extractor",
  "short_name": "Palette Vault",
  "version": "1.0.0",
  "description": "Generate harmonious color palettes, extract them from any image, and keep them in a side panel while you work.",
  "action": {
    "default_title": "Open Palette Vault",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "background": {
    "scripts": [
      "src/background/service-worker.js"
    ],
    "type": "module"
  },
  "permissions": [
    "storage",
    "scripting",
    "activeTab",
    "contextMenus"
  ],
  "sidebar_action": {
    "default_panel": "src/popup/popup.html",
    "default_title": "Palette Vault",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    },
    "open_at_install": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "palette-vault@palettevault.github.io",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}