Examine source code of keepr-timestamped-notes

{
  "manifest_version": 3,
  "name": "__MSG_extName__",
  "version": "0.3.0",
  "default_locale": "en",
  "description": "__MSG_extDesc__",
  "homepage_url": "https://github.com/JIZR-DEV/keepr-notes",
  "browser_specific_settings": {
    "gecko": {
      "id": "keepr-notes@keepr.app",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "storage",
    "tabs"
  ],
  "host_permissions": [
    "https://www.youtube.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "sidebar_action": {
    "default_title": "__MSG_sidebarTitle__",
    "default_panel": "sidepanel/sidepanel.html",
    "default_icon": "icons/icon48.png"
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "commands": {
    "add-note": {
      "suggested_key": {
        "default": "Alt+Shift+N"
      },
      "description": "__MSG_cmdAddNote__"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "js": [
        "lib/compat.js",
        "lib/i18n.js",
        "lib/notes.js",
        "content/content.js"
      ],
      "css": [
        "content/content.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "_locales/*/messages.json"
      ],
      "matches": [
        "https://www.youtube.com/*"
      ]
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}