Add a little script to bulk demangle lines from .MAP

bulk_demangle.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+lines=()
+
+while IFS= read -r line; do
+    lines+=("$line")
+done
+
+echo ""
+
+for line in "${lines[@]}"; do
+  ./build/tools/dtk.exe demangle "$line"  < /dev/null
+done