now able to create chats with oneself and print them

src/models.ts

@@ -10,3 +10,26 @@ export interface responseModel {
   message: string;
   response: any;
 }
+
+export interface chat{
+  id: number;
+  members: ptpUser[];
+  messages: message[];
+  displayName: string;
+}
+
+export interface user{
+  id: number;
+  keycloakID: string;
+  firstName: string;
+  lastName: string;
+  username: string;
+  chats: chat[];
+}
+
+export interface message{
+  id: number;
+  chat: chat;
+  sender: user;
+  content: string;
+}