added monitoring for gopher and gemini

checks/gemini

@@ -0,0 +1,11 @@
+#!/bin/bash
+export SITE=$1
+
+# Attempt to connect to the Gemini server on port 1965
+timeout 2 bash -c "</dev/tcp/${SITE}/1965" &> /dev/null
+
+if [ $? -ne 0 ]; then
+  exit 1
+else
+  exit 0
+fi