Move backend restart command from upgrade command into its own command

production/mempool-restart-all

@@ -0,0 +1,5 @@
+#!/usr/bin/env zsh
+
+ps uaxw|grep 'dist/index'|grep -v grep|awk '{print $2}'|xargs -n 1 kill
+
+exit 0

production/mempool-upgrade-all

@@ -36,8 +36,6 @@ do
     npm run build
 done
 
-ps uaxw|grep 'dist/index'|grep -v grep|awk '{print $2}'|xargs -n 1 kill
-
 hostname=$(hostname)
 keybase chat send --channel dev mempool "${hostname} updated to ${hash}"