Split docker v4 and v5 files to different directories (#310)

* Move v4/5 files to separate folders

* Updated github build_push.yml action

* Updated docker-compose.yml

alpine/5/rootfs/usr/local/bin/shutdown.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+printf "READY\n"
+
+while read line; do
+    echo "Processing Event: $line" >&2
+    kill -SIGQUIT $PPID
+done </dev/stdin