updated readme for 0.2.2 release

Author: pgfearo

README.md

@@ -33,6 +33,11 @@ This XSLT/XPath extension for VSCode provides comprehensive language support for
    - Tag Rename
    - Auto tag-close (requires 'formatOnType' setting)
    - Auto clean orphaned end tag after `/` added to make start tag self-close
+   - Element Selection Commands:
+     - `XML: Select Current element`
+     - `XML Select Preceding element`
+     - `XML: Select Following element`
+     - `XML: Select Parent element`
 
  ---