feat: add utility function to log caller information and clean up handler

hello/hello.go

@@ -1,19 +1,11 @@
 package hello
 
 import (
-	"fmt"
+	"k8s-example/cmn/utils"
 	"net/http"
 )
 
 func Handler(w http.ResponseWriter, _ *http.Request) {
+	utils.Fnc()
 	_, _ = w.Write([]byte("Hello, World!"))
-
-	if true {
-		if true {
-			if true {
-				fmt.Println("Deeply nested condition")
-
-			}
-		}
-	}
 }