Examine source code of DailyRoutine Enhancer

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "version": "1.0",
  "description": "__MSG_extensionDescription__",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_icon": "icons/icon48.png"
  },
  "permissions": [
    "activeTab",
    "storage",
    "notifications",
    "alarms",
    "https://*/*",
    "http://*/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_scripts/weather_tracker.js",
        "content_scripts/currency_converter.js",
        "content_scripts/health_tracker.js",
        "content_scripts/habit_builder.js",
        "content_scripts/motivational_quotes.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a087afa5-69ba-4d9b-9d7e-94845dcba988}"
    }
  }
}