Fixes:

[":" are switched with ";" in Layout 
US](https://github.com/gitdev-bash/piduck/projects/2#card-62991088)

Author: gitdev-bash

pd_key_maps/keymap_us.py

@@ -57,7 +57,7 @@
     ")": 48,
     "\\": 49,
     "#": 50,
-    ":": 51,
+    ";": 51,
     '"': 52,
     "~": 53,
     ",": 54,