Examine source code of minimal

{
  "manifest_version": 2,
  "name": "minimal",
  "version": "1.0.2",
  "default_locale": "en",
  "description": "__MSG_addonDescription__",
  "icons": {
    "48": "icons/icon.png",
    "96": "icons/icon@2x.png",
    "128": "icons/icon128.png",
    "192": "icons/icon@4x.png"
  },
  "developer": {
    "name": "AUPYA",
    "url": "https://minimal.aupya.org"
  },
  "background": {
    "scripts": [
      "main.js"
    ]
  },
  "permissions": [
    "<all_urls>",
    "webRequest",
    "webRequestBlocking",
    "storage",
    "tabs"
  ],
  "page_action": {
    "browser_style": true,
    "default_icon": "icons/pageAction.png",
    "default_title": "__MSG_pageActionDefaultTitle__",
    "default_popup": "pages/badgePopup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{80699c7e-6ff6-440b-9ab4-dd6337651e9d}"
    }
  }
}