Bump to 2.0.0a0

Author: Archmonger

src/reactpy/__init__.py

@@ -24,7 +24,7 @@
 from reactpy.utils import Ref, html_to_vdom, vdom_to_html
 
 __author__ = "The Reactive Python Team"
-__version__ = "1.1.0"
+__version__ = "2.0.0a0"
 
 __all__ = [
     "Layout",