Adding more CSound models

src/lib/audio/engines/FormantFM.ts

@@ -61,6 +61,10 @@ export class FormantFM extends CsoundEngine<FormantFMParams> {
     return 'generative' as const;
   }
 
+  getCategory() {
+    return 'FM' as const;
+  }
+
   protected getOrchestra(): string {
     return `
 instr 1