🔖 Update package.json version to 0.2.0

Author: rodolphebarbanneau

package.json

@@ -4,7 +4,7 @@
   "displayName": "Python Docstring Highlighter",
   "description": "Syntax highlighting for python docstring.",
   "icon": "assets/icon.png",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "keywords": [
     "python",
     "docstring",