Examine source code of ShowingTime - Branch Name

{
  "manifest_version": 3,
  "name": "ShowingTime - Branch Name",
  "version": "1.1.0",
  "description": "Generate valid ShowingTime branch name",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "permissions": [
    "storage"
  ],
  "options_ui": {
    "page": "settings.html",
    "open_in_tab": false
  },
  "content_scripts": [
    {
      "js": [
        "scripts/extension.js"
      ],
      "css": [
        "styles/extension.css"
      ],
      "matches": [
        "https://jira.showingtime.com/*",
        "https://zillowgroup.atlassian.net/*"
      ]
    }
  ],
  "background": {
    "scripts": [
      "scripts/background.js"
    ]
  },
  "web_accessible_resources": [
    {
      "resources": [
        "icons/32.png",
        "icons/copy.png"
      ],
      "matches": [
        "https://jira.showingtime.com/*",
        "https://zillowgroup.atlassian.net/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "stbrunchname@showingtime.com"
    }
  }
}