Function createStyleTemplate

createStyleTemplate(styles: string): HTMLTemplateElement
Creates a template element containing a style tag

Utility for creating HTML template elements with embedded CSS styles, commonly used for injecting styles into Shadow DOM.
Parameters
- styles: string
  CSS string to inject into the style tag
Returns HTMLTemplateElement
HTMLTemplateElement containing the styles
Example
```
const template = createStyleTemplate(`
  .container {
    display: flex;
    gap: 1rem;
  }
`);
shadowRoot.appendChild(template.content.cloneNode(true));
```
- Defined in elements/createStyleTemplate.ts:23