feat: sync mixly root files and common folder

mixly/common/templates/python/cpfile.py

@@ -0,0 +1,12 @@
+try:
+    import os
+except ImportError:
+    import uos as os
+
+def cpfile(src, dst):
+    with open(src, 'rb') as src_file:
+        content = src_file.read()
+    with open(dst, 'wb') as dst_file:
+        dst_file.write(content)
+
+cpfile('{{&oldPath}}', '{{&newPath}}')