Update README.md

Author: surya-pratap-singh-dev

README.md

@@ -24,6 +24,15 @@ Most developers miss great open-source contribution opportunities because they d
 
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+### What I learned
+
+- Designing long-running backend services
+- Handling API rate limits in production systems
+- Automating deployments using GitHub Actions self-hosted runners
+- Managing containerized workloads on cloud infrastructure
+
+---
+
 ## Architecture
 
 ```