Examine source code of GitHub Jira Issue Linkifier

{
  "manifest_version" : 2 ,
  "name" : "GitHub Jira Issue Linkifier",
  "short_name" : "JiraLinkifer",
  "version" : "1.0.6",
  "description" : "Automatically turns text that contains Jira issues (like ICU-1234) into click-able links on GitHub.",
  "author": "Jeff Genovy",
  "homepage_url" : "https://github.com/jefgen/github-jira-linkifier-webextension",
  "icons" : {
    "48" : "icons/icon-48.png",
    "96" : "icons/icon-96.png",
    "128" : "icons/icon-128.png"
  },
  "content_scripts" : [
    {
      "matches" : [
        "*://github.com/*" 
      ],
      "js" : [
        "background.js" 
      ],
      "run_at" : "document_end" 
    }
  ],
  "options_ui" : {
    "page": "options.html" ,
    "browser_style": true
  },
  "permissions" : [
    "storage" 
  ]
}