Add the ability to disable install

.gitignore

@@ -1,2 +1,2 @@
 variables.conf
-
+.disabled

install.sh

@@ -3,6 +3,11 @@
 run_directory=$(dirname "$0")
 user=$(whoami)
 
+if [ -f $run_directory/.disabled ]; then
+  echo "Installation is disabled. Exiting..."
+  exit 0
+fi
+
 if [ ! -d /home/$user/.bashrc.d ]; then
   echo "~/.bashrc.d does not exist. Creating it..."
   mkdir /home/$user/.bashrc.d