Use ~90% for /var

- I will migrate to docker volumes instead of bind mounts when switching servers.
- This is the recommended way and storing stuff in my ~ was always pretty creepy to me

install.conf

@@ -22,7 +22,7 @@ TIMEZONE="Europe/Amsterdam"
 # Strings are sorted by their time of execution.
 # x%FREE means x% of what is left after allocating the previous volume.
 #                /        /usr      /var      /home
-DISK_ALLOCATION=("5%FREE" "5%FREE" "20%FREE" "100%FREE")
+DISK_ALLOCATION=("5%FREE" "5%FREE" "90%FREE" "100%FREE")
 # Example allocation for small disks
 #DISK_ALLOCATION=("15%FREE" "40%FREE" "50%FREE" "100%FREE")