app.xml

<nemo>
  <app title="My Nemo App">
    <window title="Nemo Example">
      <header-bar github-url="https://github.com/geoffjay/nemo/tree/main/examples/basic"
                  theme-toggle="true" />
    </window>
    <theme name="kanagawa" mode="dark" />
  </app>

  <!-- Scripts configuration -->
  <script src="./scripts" />

  <!-- Layout configuration -->
  <layout type="stack">
    <label id="header" text="Welcome to Nemo" />

    <panel id="content">
      <button id="button" label="Click Me" on-click="on_button_click" />
    </panel>
  </layout>

  <!-- Data sources -->
  <data>
    <source name="api" type="http" url="https://api.example.com" refresh="30" />
  </data>
</nemo>