add devices list

- add DeviceController
- add getDevices to DeviceRegistryService
- add WebClient deviceRegistryDevices to DeviceRegisterWebClientCalls.kt
- add device list.html
- fix no items found for device type list.html
- add device to main menu in layout.html
- add device to AdminPaths.kt

src/main/kotlin/ltd/hlaeja/security/authorize/AdminPaths.kt

@@ -5,4 +5,5 @@ import org.springframework.security.config.web.server.ServerHttpSecurity.Authori
 fun AuthorizeExchangeSpec.adminPaths(): AuthorizeExchangeSpec.Access = pathMatchers(
     "/account/**",
     "/type/**",
+    "/device/**",
 )