add bumb2version

.bumpversion.cfg

@@ -0,0 +1,21 @@
+[bumpversion]
+current_version = 1.1.0b1
+parse = (?P<major>\d+)(\.(?P<minor>\d+))(\.(?P<patch>\d))(?P<release>[bf]*)(?P<build>\d*)
+commit = True
+tag = True
+serialize = 
+	{major}.{minor}.{patch}{release}{build}
+	{major}.{minor}.{patch}
+
+[bumpversion:part:release]
+optional_value = f
+values = 
+	b
+	f
+
+[bumpversion:part:build]
+first_value = 0
+
+[bumpversion:file:custom_components/mega/manifest.json]
+search = "version": "v{current_version}"
+replace = "version": "v{new_version}"