feat(frontend): add Other Models page with subtype filter and badges

static/js/api/otherApi.js

@@ -0,0 +1,7 @@
+import { BaseModelApiClient } from './baseModelApi.js';
+
+/**
+ * Other-models-specific API client (VAE, upscalers, text encoders, etc.)
+ */
+export class OtherApiClient extends BaseModelApiClient {
+}