Added basic deque submodule

Author: Joel Collins

src/labthings/deque.py

@@ -0,0 +1,10 @@
+from collections import deque as _deque
+
+
+class Deque(_deque):
+    def __init__(self, iterable=None, maxlen=100):
+        _deque.__init__(self, iterable or [], maxlen)
+
+
+def resize_deque(iterable: _deque, newsize: int):
+    return deque(iterable, newsize)