feat: disable swap by default

defaults/main.yaml

@@ -29,3 +29,6 @@ firewall_host_rules:
 # ntp
 ntp_server: "pool.ntp.org"
 timezone: "Europe/Amsterdam"
+
+# swap
+swap: false

tasks/swap.yaml

@@ -8,7 +8,7 @@
     # enable or disable swap
     - name: "swap - set variable"
       ansible.builtin.set_fact:
-        __swap: "{{ swap | default('true') }}"
+        __swap: "{{ swap }}"
 
     # verify swapfile
     - name: "swap - verify swapfile"