[scrape] New OCaml Planet blog posts and videos (#3577)

- cwn: OCaml Weekly News, 24 Mar 2026
- tsmc: Quick Hardware Performance Counters on macOS ARM64

Co-authored-by: cuihtlauac <1917592+cuihtlauac@users.noreply.github.com>

Author: github-actions[bot]

data/planet/cwn/ocaml-weekly-news-24-mar-2026.md

@@ -0,0 +1,11 @@
+---
+title: OCaml Weekly News, 24 Mar 2026
+description:
+url: https://alan.petitepomme.net/cwn/2026.03.24.html
+date: 2026-03-24T12:00:00-00:00
+preview_image:
+authors:
+- Caml Weekly News
+source:
+ignore:
+---

data/planet/tsmc/quick-hardware-performance-counters-on-macos-arm64.md

@@ -0,0 +1,11 @@
+---
+title: Quick Hardware Performance Counters on macOS ARM64
+description:
+url: https://lambdafoo.com/posts/2026-03-25-mperf-hardware-counters-macos.html
+date: 2026-03-25T00:00:00-00:00
+preview_image:
+authors:
+- Tim McGilchrist
+source:
+ignore:
+---