Add elara

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

scripts/remove-host.sh

@@ -1,5 +1,9 @@
 #!/usr/bin/env bash
 
+set -o errexit
+set -o nounset
+set -o pipefail
+
 if [[ "$#" -ne 2 ]]; then
   echo "Usage: $0 <host> <sops-master-key>"
   exit 1