Create PairingProcess model

lib/4nk/models/PairingProcess.ts

@@ -0,0 +1,13 @@
+export interface PairingProcess {
+  id: string;
+  memberPublicName: string;
+}
+
+export function isPairingProcess(data: any): data is PairingProcess {
+  if (typeof data !== 'object' || data === null) return false;
+  
+  return (
+    typeof data.id === 'string' &&
+    typeof data.memberPublicName === 'string'
+  );
+}