Examine source code of Jira Notifier - Arkan

{
  "manifest_version": 2,
  "name": "Jira Notifier",
  "description": "Monitor de tickets do Jira com auto-discovery do domínio, filtros por papel (relator/observador/participante), eventos (status/comentário/resolvido) e lembretes (snooze).",
  "version": "3.2.1",
  "homepage_url": "https://euhe.in",
  "icons": {
    "16": "Public/Icons/icon16.png",
    "32": "Public/Icons/icon32.png",
    "48": "Public/Icons/icon48.png",
    "64": "Public/Icons/icon64.png",
    "128": "Public/Icons/icon128.png"
  },
  "background": {
    "scripts": [
      "Background/lib/store.js",
      "Background/lib/jira.js",
      "Background/lib/notify.js",
      "Background/background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_title": "Jira Notifier",
    "default_popup": "Background/Settings/toolbar.html",
    "default_icon": {
      "16": "Public/Icons/icon16.png",
      "32": "Public/Icons/icon32.png",
      "64": "Public/Icons/icon64.png",
      "128": "Public/Icons/icon128.png"
    }
  },
  "options_ui": {
    "page": "Background/Settings/settings.html",
    "open_in_tab": true
  },
  "permissions": [
    "storage",
    "tabs",
    "notifications",
    "alarms",
    "https://*.atlassian.net/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "jira_notifier@euhe.in",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "default_locale": "en",
  "sidebar_action": {
    "default_title": "Jira Notifier",
    "default_panel": "Sidebar/sidebar.html",
    "default_icon": {
      "16": "Public/Icons/icon16.png",
      "32": "Public/Icons/icon32.png",
      "64": "Public/Icons/icon64.png",
      "128": "Public/Icons/icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.atlassian.net/*"
      ],
      "js": [
        "Content/inpage_toast.js"
      ],
      "css": [
        "Content/inpage_toast.css"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ]
}