Examine source code of Gitlab Issue Template

{
  "manifest_version": 2,
  "name": "Gitlab Issue Template",
  "version": "1.0",
  "description": ".",
  "icons": {
    "48": "icons/git-alt-brands.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://gitlab.com/*"
      ],
      "js": [
        "extension.js"
      ]
    }
  ],
  "options_ui": {
    "page": "settings.html"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{623ef4c0-7624-493b-86df-b2092c03c043}"
    }
  },
  "optional_permissions": [
    "http://*/*",
    "https://*/*"
  ]
}