Docs: add Full Stack with Local Models section to quickstart examples README

Author: Paweł Kędzia

examples/quickstart/README.md

@@ -0,0 +1,6 @@
+## Full Stack with Local Models
+
+The quick‑start guides for running the full stack with **local models** are included in the repository:
+
+- **Gemma 3 12B‑IT** – [README](google-gemma3-12b-it/README.md)
+- **Bielik 11B‑v2.3‑Instruct‑FP8** – [README](speakleash-bielik-11b-v2_3-Instruct/README.md)