Support smtp auth

docs/all.md

@@ -14,4 +14,8 @@ These variables are used by multiple roles and have the following default values
 
 ```
 reverse_proxy_type: caddy # Allowed values: caddy, traefik, none
+
+smtp_from: # not defined, no smtp login by default
+smtp_pw: # not defined, see above
+
 ```

roles/gitea/meta/main.yml

@@ -25,3 +25,5 @@ dependencies:
       GITEA__mailer__HOST: "{{ smtp_server }}:587"
       GITEA__mailer__FROM: "{{ smtp_from }}"
       GITEA__mailer__MAILER_TYPE: smtp
+      GITERA__mailer__USER: "{{ smtp_user | default(omit) }}"
+      GITERA__mailer__PASSWD: "{{ smtp_pw | default(omit) }}"