Added services, updated build script

pastabble-openrc.sh

@@ -0,0 +1,11 @@
+#!/sbin/openrc-run
+# Copyright 2022 Plabble
+
+start() {
+    podman rm pastabble-c || true
+    podman run --name pastabble-c -p 8080:8080 -v pastabble-v:/data -dt pastabble
+}
+
+stop() {
+    podman stop pastabble-c
+}