add basic chat loop

cmd/chat/chat.go

@@ -0,0 +1,29 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strings"
+)
+
+func main() {
+	reader := bufio.NewReader(os.Stdin)
+	fmt.Println("Go CLI Chat App")
+	fmt.Println("---------------------")
+
+	for {
+		fmt.Print("You: ")
+		text, _ := reader.ReadString('\n')
+		text = strings.TrimSpace(text) // Remove leading and trailing whitespace
+
+		// Process the input. For now, we'll just echo it back.
+		fmt.Printf("App: You said, %s\n", text)
+
+		// Check if the user wants to exit.
+		if text == "exit" {
+			fmt.Println("Exiting chat...")
+			break
+		}
+	}
+}