Add getting started doc

Co-authored-by: Varsha <[email protected]>

Author: camilamacedo86

docs/book/src/SUMMARY.md

@@ -2,9 +2,11 @@
 
 [Introduction](./introduction.md)
 
+[Architecture](./architecture.md)
+
 [Quick Start](./quick-start.md)
 
-[Architecture](./architecture.md)
+[Getting Started](./getting-started.md)
 
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