chore(docs): some typos

reverted a word out of that phrase

Author: Maximilian

packages/starterkit-handlebars-demo/README.md

@@ -4,7 +4,7 @@ The Demo StarterKit for Handlebars is meant to be used as a demonstration of a H
 
 ## Requirements
 
-The Vanilla StarterKit for Handlebars requires the following PatternEngine:
+The Base StarterKit for Handlebars requires the following PatternEngine:
 
 - `@pattern-lab/patternengine-node-handlebars`: [npm](https://www.npmjs.com/package/@pattern-lab/patternengine-node-handlebars), [Github](https://github.com/pattern-lab/patternengine-node-handlebars)