Examine source code of Tabeurator

{
  "manifest_version": 2,
  "name": "Tabeurator",
  "version": "0.1.1",
  "description": "Simplifying Tab Search and Navigation",
  "icons": {
    "48": "tabeurator-48.png",
    "96": "tabeurator-96.png"
  },
  "permissions": [
    "storage",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "tabeurator-48.png"
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Space",
        "mac": "MacCtrl+Space"
      },
      "description": "Tab Search"
    },
    "previous_tab": {
      "suggested_key": {
        "default": "Ctrl+Shift+Space",
        "mac": "MacCtrl+Shift+Space"
      },
      "description": "Go To Previous Tab (Most Recently Visited)"
    }
  },
  "options_ui": {
    "page": "optionsPane.html",
    "browser_style": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4468b651-ac78-4033-8f97-d992219e3698}"
    }
  }
}