add timeit function

utils.py

@@ -0,0 +1,23 @@
+"""⭐ Text Classification with Optimum and ONNXRuntime
+
+Utils functions.
+
+Author:
+    - @ChainYo - https://github.com/ChainYo
+"""
+
+from time import time
+
+
+def timeit(func):
+    """Timeit decorator."""
+
+    def wrapper(*args, **kwargs):
+        """Wrapper."""
+        start = time()
+        result = func(*args, **kwargs)
+        end = time()
+        print(f"{func.__name__} took {end - start:.2f} seconds.")
+        return result
+
+    return wrapper