Add WSL scripts for ext4 Mnesia and rebar3 CT fix

scripts/fix-rebar-unit-symlink.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Rebar3 на WSL+Windows иногда оставляет symlink вместо каталога.
+TEST_DIR="/home/alexc/eventhub-wsl-data/_build/test/lib/eventhub/test"
+
+mkdir -p "${TEST_DIR}"
+
+for name in unit api; do
+  target="${TEST_DIR}/${name}"
+  if [ -L "${target}" ] || [ -f "${target}" ]; then
+    rm -f "${target}"
+  fi
+  mkdir -p "${target}"
+  echo "Fixed: ${target}"
+  ls -ld "${target}"
+done