Make RustRaptor the repository root and track its playable bundle

run.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+set -eu
+cd "$(dirname "$0")"
+export LD_LIBRARY_PATH="$PWD/lib${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}"
+if [ -x "$PWD/bin/raptor-rust" ]; then
+    exec "$PWD/bin/raptor-rust" "$@"
+fi
+export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$HOME/.local/lib"
+exec cargo run --locked --release --manifest-path "$PWD/Cargo.toml" --bin raptor-rust -- "$@"