Examine source code of OnHand

{
  "manifest_version": 3,
  "name": "OnHand",
  "short_name": "OnHand",
  "version": "3.0.0",
  "description": "__MSG_app_description__",
  "author": "__MSG_app_author_name__",
  "homepage_url": "https://github.com/yegor-pelykh/OnHand",
  "developer": {
    "name": "__MSG_app_author_name__",
    "url": "https://github.com/yegor-pelykh/OnHand"
  },
  "incognito": "spanning",
  "default_locale": "en",
  "icons": {
    "16": "./icons/icon-16.png",
    "24": "./icons/icon-24.png",
    "32": "./icons/icon-32.png",
    "48": "./icons/icon-48.png",
    "128": "./icons/icon-128.png",
    "192": "./icons/icon-192.png",
    "512": "./icons/icon-512.png"
  },
  "page_action": {
    "default_icon": {
      "16": "./icons/icon-16.png",
      "24": "./icons/icon-24.png",
      "32": "./icons/icon-32.png"
    },
    "default_title": "__MSG_page_action_title__",
    "default_popup": "./popup/index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1f4ee806-b18a-4c3d-824d-6a44d6911cee}"
    }
  },
  "background": {
    "scripts": [
      "./sw/sw.js"
    ]
  },
  "chrome_url_overrides": {
    "newtab": "./content/index.html"
  },
  "chrome_settings_overrides": {
    "homepage": "./content/index.html"
  },
  "host_permissions": [
    "<all_urls>"
  ],
  "permissions": [
    "storage",
    "unlimitedStorage"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'"
  }
}