Examine source code of Bugzilla Links in Gmail

{
  "manifest_version": 2,
  "name": "Bugzilla Links in Gmail",
  "version": "1.0.3",
  "description": "Add links to Bugzilla in Gmail",
  "homepage_url": "http://github.com/wagnerand/gmail-bugzilla-links",
  "browser_specific_settings": {
    "gecko": {
      "id": "gmail-bugzilla-links@andreaswagner.org"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://mail.google.com/*"
      ],
      "js": [
        "content-gmail.js"
      ],
      "css": [
        "content-gmail.css"
      ]
    }
  ],
  "commands": {
    "open-bugzilla-link": {
      "suggested_key": {
        "default": "Ctrl+Shift+B",
        "mac": "MacCtrl+Shift+B"
      },
      "description": "Open the current bugmail in Bugzilla"
    }
  }
}