docs: Overwrite configued version always be '2' for v2-docs.

Author: microbit-carlos

docs/conf.py

@@ -64,7 +64,9 @@
 yotta_module = json.load(open('../module.json'))
 
 # The short X.Y version.
-version = yotta_module['version']
+# Overwrite here to v2
+#version = yotta_module['version']
+version = "2"
 # The full version, including alpha/beta/rc tags.
 release = version