chore(docs): add first devlog

Author: pyk

README.md

@@ -278,6 +278,10 @@ sudo sysctl -w kernel.perf_event_paranoid=3
 sudo sysctl -w kernel.perf_event_paranoid=-1
 ```
 
+## Devlog
+
+- [bench: Fixing Microbenchmark Accuracy](https://pyk.sh/blog/2025-12-07-bench-fixing-microbenchmark-accuracy-in-zig)
+
 ## License
 
 MIT. Use it for whatever.