Add walkup for now

walkup.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+# Start from the current directory
+DIR="$(pwd)"
+
+# Walk up until we find a marker or reach root
+while [[ ! -f "$DIR/CMakeLists.txt" && \
+         ! -f "$DIR/package.json" && \
+         ! -d "$DIR/.git" && \
+         "$DIR" != "/" ]]; do
+  DIR="$(dirname "$DIR")"
+done
+
+# Check if root was reached without finding anything
+if [[ "$DIR" == "/" ]]; then
+  echo "❌ Project root not found."
+  exit 1
+fi
+
+echo "✅ Project root found at: $DIR"
+