Examine source code of HackMD-it

{
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "0.5.1",
  "default_locale": "en",
  "homepage_url": "https://github.com/hackmdio/hackmd-it-issues",
  "manifest_version": 3,
  "minimum_chrome_version": "88",
  "icons": {
    "16": "images/icon.png",
    "48": "images/icon@3x.png",
    "128": "images/icon@8x.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c6d86c3c-1cea-4172-9125-b094f8322c3d}"
    }
  },
  "permissions": [
    "storage",
    "tabs",
    "webNavigation",
    "notifications"
  ],
  "host_permissions": [
    "https://hackmd.io/*",
    "https://*/"
  ],
  "action": {
    "browser_style": true,
    "default_icon": "images/logo.png",
    "default_title": "HackMD-it!",
    "default_popup": "popup.html"
  },
  "background": {
    "service_worker": "service_worker.js",
    "scripts": [
      "service_worker.js"
    ]
  },
  "web_accessible_resources": [
    {
      "resources": [
        "images/*"
      ],
      "matches": [
        "*://*/*"
      ]
    },
    {
      "resources": [
        "*.js"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "options_page": "option.html",
  "options_ui": {
    "page": "option.html",
    "browser_style": false,
    "open_in_tab": true
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+K",
        "mac": "MacCtrl+Shift+K"
      }
    }
  }
}