record HOSTAPD_ENABLED=<value> into iiab.env

roles/network/tasks/main.yml

@@ -19,6 +19,16 @@
 # be encapsulated into roles/network/tasks/hostapd.yml in future?  Whereas
 # today "./runtags hostapd" doesn't exist & "./runtags AP" is UNSUPPORTED!
 
+- name: Record HOSTAPD_ENABLED to /etc/iiab/iiab.env
+  lineinfile:
+    dest: /etc/iiab/iiab.env
+    regexp: '^HOSTAPD_ENABLED=*'
+    line: 'HOSTAPD_ENABLED="{{ hostapd_enabled }}"'
+    state: present
+  #when: not installing   #REMOVE THIS LINE IF installing IS ALWAYS false AS SET IN roles/0-init/defaults/main.yml
+  tags:
+    - network
+
 #- name: RPi - reboot to AP post install - installed via wifi so the services are ready
 #  set_fact:
 #    iiab_lan_iface: br0