Split `matrix_continuwuity_systemd_wanted_services_list` into `_default_`, `_auto` and `_custom`

roles/custom/matrix-continuwuity/defaults/main.yml

@@ -37,7 +37,10 @@ matrix_continuwuity_systemd_required_services_list_auto: []
 matrix_continuwuity_systemd_required_services_list_custom: []
 
 # List of systemd services that matrix-continuwuity.service wants
-matrix_continuwuity_systemd_wanted_services_list: []
+matrix_continuwuity_systemd_wanted_services_list: "{{ matrix_continuwuity_systemd_wanted_services_list_default + matrix_continuwuity_systemd_wanted_services_list_auto + matrix_continuwuity_systemd_wanted_services_list_custom }}"
+matrix_continuwuity_systemd_wanted_services_list_default: []
+matrix_continuwuity_systemd_wanted_services_list_auto: []
+matrix_continuwuity_systemd_wanted_services_list_custom: []
 
 # Controls how long to sleep for after starting the matrix-synapse container.
 #