Examine source code of NaviGator

{
  "manifest_version": 2,
  "name": "Navi Gator",
  "version": "0.1.0.1resigned1",
  "applications": {
    "gecko": {
      "id": "navi@benjamin-philipp.com"
    }
  },
  "description": "Simple navigator help for URLs",
  "icons": {
    "32": "content/images/Icon_NaviGator-032.png",
    "48": "content/images/Icon_NaviGator-048.png",
    "64": "content/images/Icon_NaviGator-064.png",
    "128": "content/images/Icon_NaviGator-128.png",
    "256": "content/images/Icon_NaviGator-256.png"
  },
  "browser_action": {
    "browser_style": true,
    "default_popup": "content/popup.html",
    "default_icon": {
      "32": "content/images/Icon_NaviGator-032.png",
      "48": "content/images/Icon_NaviGator-048.png",
      "64": "content/images/Icon_NaviGator-064.png",
      "128": "content/images/Icon_NaviGator-128.png"
    }
  },
  "page_action": {
    "default_popup": "content/popup.html",
    "default_icon": {
      "32": "content/images/Icon_NaviGator-032.png",
      "48": "content/images/Icon_NaviGator-048.png",
      "64": "content/images/Icon_NaviGator-064.png",
      "128": "content/images/Icon_NaviGator-128.png"
    }
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+N"
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "content/js/jquery-3.2.1.min.js",
        "navigator_page.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "content/js/jquery-3.2.1.min.js",
      "content/js/bg.js"
    ]
  },
  "web_accessible_resources": [
    "content/js/default.json"
  ],
  "permissions": [
    "activeTab",
    "tabs",
    "storage",
    "contextMenus",
    "<all_urls>"
  ]
}