Add SSD TRIM setup script

setup/setup_trim

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+set -Eeo pipefail
+
+if (( $EUID != 0 )); then
+    echo "Should be run as root"
+    exit 1
+fi
+
+systemctl enable fstrim.timer
+systemctl start fstrim.service