add missing comments on main.yml settings

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

@@ -169,9 +169,11 @@ matrix_continuwuity_config_emergency_password: ''
 # Controls the `allow_federation` setting.
 matrix_continuwuity_config_allow_federation: true
 
+# Controls the `matrix_continuwuity_trusted_servers`` setting.
 matrix_continuwuity_trusted_servers:
  - "matrix.org"
 
+# Controls the `matrix_continuwuity_config_log` setting.
 matrix_continuwuity_config_log: "info,state_res=warn,rocket=off,_=off,sled=off"
 
 # TURN integration.