button-card doesn't support template

**Checklist** - [x] I updated the card to the latest version available - [x] I cleared the cache of my browser **Describe the bug** button-card doesn't support template **Version of the card** Version: V7.0.1 **To Reproduce** This is the configuration I used: ```type: custom:button-card template: my_simple_template templates: my_simple_template: name: SIMPLE TEST icon: mdi:check styles: card: - background: lightgreen ``` **Screenshots** Button-card template 'my_simple_template' is missing! **Expected behavior** ERROR to load template, even it is very simple one. **Desktop (please complete the following information):** - Microsoft edge - Version 143.0.3650.96 **Smartphone (please complete the following information):** - Device: [e.g. iPhone6] - OS: [e.g. iOS8.1] - Browser [e.g. stock browser, safari] - Version [e.g. 22] **Additional context** Add any other context about the problem here.