Examine source code of Reload

{
  "manifest_version": 2,
  "name": "Reload",
  "version": "1.1",
  "description": "Simple tool to allow reload tabs.",
  "homepage_url": "https://iampsp.com",
  "icons": {
    "48": "icons/icon_48.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/icon_16.png",
      "32": "icons/icon_32.png",
      "64": "icons/icon_64.png"
    },
    "default_title": "Reload"
  },
  "developer": {
    "name": "Mostafa Shiraali",
    "url": "https://iampsp.com"
  },
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "GeF1z9Va9EN3mbYL1KubaAK142A52xE3@iampsp",
      "strict_min_version": "128.0"
    }
  },
  "options_ui": {
    "page": "options.html"
  },
  "permissions": [
    "tabs",
    "storage",
    "<all_urls>"
  ]
}