Bump version to 0.2.0

Signed-off-by: Justin Georgi <justin.georgi@gmail.com>

extension.json

@@ -3,7 +3,7 @@
 	"author": "Justin Georgi",
 	"url": "https://gitea.azgeorgis.net/jgeorgi/mwModelViewer",
 	"description": "This extension allows .glb and .gltf files to be added, displayed, and annotated in MediaWiki",
-	"version": "0.1.0",
+	"version": "0.2.0",
 	"license-name": "MIT",
 	"type": "media",
 	"manifest_version": 2,