feat(events): add event join functionality with no kyc

Signed-off-by: Noa Virellia <noa@requiem.garden>

client/cms/src/hooks/data/useJoinEvent.ts

@@ -0,0 +1,8 @@
+import { useMutation } from '@tanstack/react-query';
+import { postEventJoinMutation } from '@/client/@tanstack/react-query.gen';
+
+export function useJoinEvent() {
+  return useMutation({
+    ...postEventJoinMutation(),
+  });
+}