added wrapper and launch_r scripts

Author: avinab-neogy

scripts/allow_ptrace.c

@@ -0,0 +1,6 @@
+#include <sys/prctl.h>
+
+__attribute__((constructor))
+static void allow_ptrace(void) {
+    prctl(PR_SET_PTRACER, PR_SET_PTRACER_ANY);
+}

scripts/launch_r.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+export LD_PRELOAD=/workspaces/r-dev-env/scripts/allow_ptrace.so
+
+# If the first argument is a file, use that as R_BINARY; otherwise default.
+if [ -x "$1" ]; then
+  R_BINARY="$1"
+  shift
+else
+  R_BINARY="/usr/bin/R"
+fi
+
+# Exec R with all remaining arguments
+exec "$R_BINARY" "$@"