feat: cache size display

cache_utils.py

@@ -0,0 +1,15 @@
+import os
+
+def get_cache_size(directory="./cache"):
+
+    '''check directory sizes and sum up'''
+    print(directory)
+    total_size = 0
+    for dirpath, dirnames, filenames in os.walk(directory):
+        for filename in filenames:
+            filepath = os.path.join(dirpath, filename)
+            total_size += os.path.getsize(filepath)
+    
+    # Convert bytes to gigabytes #
+    total_size_gb = total_size / (1024 * 1024 * 1024)
+    return total_size_gb