Examine source code of Lurkbait Reminder

{
  "manifest_version": 3,
  "name": "Lurkbait Reminder",
  "version": "1.1.4",
  "description": "Never forget to !fish again in Twitch chat",
  "browser_specific_settings": {
    "gecko": {
      "id": "lurkbait-reminder@snugglife.proton.me",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage",
    "activeTab",
    "alarms"
  ],
  "host_permissions": [
    "*://*.twitch.tv/*"
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "background": {
    "scripts": [
      "background/background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.twitch.tv/*"
      ],
      "js": [
        "content/content.js"
      ],
      "css": [
        "content/content.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "images/crelly_plush.png"
      ],
      "matches": [
        "*://*.twitch.tv/*"
      ]
    }
  ]
}