Revise Systems Thinking section in README

Updated the section on Systems Thinking and Engineering, replacing the previous content about the '1% SRE Roadmap' series with a new focus on exploring trade-offs in distributed systems.

Author: vishalgunjalSWE

README.md

@@ -226,11 +226,10 @@ I write in-depth technical articles explaining the "why" behind infrastructure d
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-## 📝 The "1% SRE Roadmap" Series
+## 🧠 Systems Thinking & Engineering
+I explore the trade-offs in distributed systems, documenting my journey from "how it works" to "why it breaks."
 
-I document my journey from fundamental concepts to advanced SRE implementations on Medium.
-
-➡️ [Read more articles on Medium](https://medium.com/@vishalgunjal)
+> *"I'm fascinated by systems that scale, self-heal, and never go down."*
 
 <!-- BLOG-POST-LIST:START -->
 - 📝 [Part 10/10: The SRE Mindset- Engineering Systems That Do Not Depend on You](https://vishalgunjal.medium.com/part-10-10-the-sre-mindset-engineering-systems-that-do-not-depend-on-you-937ac3f56623?source=rss-460998244e54------2) — 16 Jan 2026
@@ -239,6 +238,7 @@ I document my journey from fundamental concepts to advanced SRE implementations
 - 📝 [GitOps at Scale: Why “Sync” is the New “Apply” — Architecting a Self-Healing Multi-Cluster Platform](https://aws.plainenglish.io/gitops-at-scale-why-sync-is-the-new-apply-architecting-a-self-healing-multi-cluster-platform-6cc575f667c4?source=rss-460998244e54------2) — 07 Jan 2026
 - 📝 [Networking — The SRE’s Guide to the 504 Gateway Timeout](https://vishalgunjal.medium.com/networking-the-sres-guide-to-the-504-gateway-timeout-54b5a0a863f5?source=rss-460998244e54------2) — 04 Jan 2026<!-- BLOG-POST-LIST:END -->
 
+👉 **[Read my full "1% SRE Roadmap" on Medium](https://medium.com/@vishalgunjalSWE)**
 
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