Change home & system rebuild scripts so that they depend on bash
diff --git a/scripts/rebuild-home.sh b/scripts/rebuild-home.sh
index a49fbc1..091f52e 100755
--- a/scripts/rebuild-home.sh
+++ b/scripts/rebuild-home.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/env bash
 
 cd /home/minion/Nix
 
diff --git a/scripts/rebuild-system.sh b/scripts/rebuild-system.sh
index 08ab41f..a50ae8e 100755
--- a/scripts/rebuild-system.sh
+++ b/scripts/rebuild-system.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/env bash
 
 cd /home/minion/Nix