small formatting changes

macropad_os/config/config_vars.py

@@ -0,0 +1,9 @@
+class ConVar(object):
+    def __init__(self, name, default):
+        self.name = name
+        self.default = default
+
+
+class ConfigVars(object):
+    DEV_MODE = ConVar("dev_mode", True)
+    TEST_VAR = ConVar("test_var", False)