Examine source code of GitHub Project Tweaks

{
  "manifest_version": 2,
  "name": "GitHub Project Tweaks",
  "version": "0.1.0",
  "description": "Adds WiP limits to GitHub project boards",
  "icons": {
    "48": "icon_48.png",
    "96": "icon_96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.github.com/orgs/*/projects/*",
        "*://*.github.com/orgs/*/projects/*/views/*"
      ],
      "js": [
        "github_project_tweaks.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{40420f6a-3aa4-4a54-8c97-41e46158a71e}"
    }
  }
}