Examine source code of BibSonomy Buttons

{
  "name": "BibSonomy Buttons",
  "version": "1.10.2resigned1",
  "manifest_version": 2,
  "description": "BibSonomy Buttons Plugin",
  "default_locale": "en",
  "background": {
    "scripts": [
      "scripts/background.js"
    ]
  },
  "minimum_chrome_version": "16",
  "icons": {
    "48": "images/icon_48.png",
    "128": "images/icon_128.png"
  },
  "browser_action": {
    "default_icon": "images/icon.png",
    "default_popup": "ui/popup.html"
  },
  "applications": {
    "gecko": {
      "id": "buttons@bibsonomy.org",
      "strict_min_version": "56.0"
    }
  },
  "commands": {
    "openHome": {
      "suggested_key": {
        "default": "Ctrl+Shift+Y",
        "mac": "MacCtrl+Shift+H"
      },
      "description": "Open users page"
    },
    "saveBookmark": {
      "suggested_key": {
        "default": "Ctrl+Shift+X",
        "mac": "MacCtrl+Shift+B"
      },
      "description": "Save Bookmark"
    },
    "savePublication": {
      "suggested_key": {
        "default": "Ctrl+Shift+V",
        "mac": "MacCtrl+Shift+P"
      },
      "description": "Save Publication"
    }
  },
  "permissions": [
    "https://www.bibsonomy.org/*",
    "activeTab",
    "tabs"
  ]
}