feat: Add apt hold script

hold.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+# Package to hold
+PACKAGE=$1
+
+if [ -z "$PACKAGE" ]; then
+  echo "Usage: hold <package_name>"
+  echo "Set or unset a package on hold"
+  exit 1
+fi
+
+# Check to see if the package is already on hold using apt-mark showhold
+if ! apt-mark showhold | grep -q "$PACKAGE"; then
+  sudo apt-mark hold $PACKAGE
+else
+  echo "$PACKAGE is already on hold unholding..."
+  sudo apt-mark unhold $PACKAGE
+fi