Add run_all_headless.sh

Author: marc0246

examples/run_all_headless.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+exa -F . | rg '/$' | sd '/' '' | rargs timeout --preserve-status 15s cargo run --bin {}
+rm -f pipeline-caching/pipeline_cache.bin