Add base files

src/main/java/com/university/chat/Client/chatClient.java

@@ -0,0 +1,29 @@
+package com.university.chat.Client;
+
+public class chatClient {
+    public static void main() {
+        // TODO: Connecting to the server
+        //  1. Create a socket and connect to the server
+        //  2. Create an ObjectOutputStream (out) and ObjectInputStream (in)
+        //      from the socket's streams — output FIRST, then input.
+        //  2. Get the username, and send a LOGIN ChatMessage with that username
+        //  3. Start a new Thread running a ServerListener(in) so incoming
+        //      messages are handled concurrently.
+
+        while (true){
+            try {
+                // TODO: Program loop — read a line from the console and act on it:
+                //   - "/msg <user> <text>"        -> build & send a PRIVATE_MESSAGE
+                //   - "/users"                    -> build & send a USER_LIST request
+                //   - "/sendfile <user> <path>"   -> read the file into a byte[]
+                //                                     (you can use TransferProgress
+                //                                     to show progress)
+                //                                     and send it as a FileMessage
+                //   - anything else               -> send a PUBLIC_MESSAGE
+                //   Remember to flush() the output stream after writeObject().
+            } catch (Exception e){
+                System.out.println("command failed: " + e.getMessage());
+            }
+        }
+    }
+}