feat: migrate skills review desk to astro

public/submitted-skills/Vinicius Nascimento/skills/lunch-time/lunch.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+# Log start of lunch break.
+set -euo pipefail
+
+F="$HOME/long-day-factory.json"
+TS="$(python3 -c 'import datetime;print(datetime.datetime.now().astimezone().isoformat(timespec="seconds"))')"
+
+if [ ! -f "$F" ]; then
+  printf '{\n  "startTime": null,\n  "lunchTime": null,\n  "backToWork": null\n}\n' > "$F"
+fi
+
+tmp="$(mktemp)"
+jq --arg ts "$TS" '.lunchTime = $ts' "$F" > "$tmp" && mv "$tmp" "$F"
+
+echo "Lunch break started at $TS"
+
+if [ "$(jq -r '.startTime' "$F")" = "null" ]; then
+  echo "WARNING: startTime is not set — did you skip long-day-start this morning?"
+fi