change redis config

tasks/main.yml

@@ -1,5 +1,19 @@
 - include: install.yml
 
+- name: use redis
+  when: rspamd.redis
+  block:
+  - name: add redis config to local_configs
+    set_fact:
+      rspamd:
+        local_configs: "{{ {}|combine( rspamd.local_configs, rspamd_redis.local_configs) }}"
+
+  - name: add rspamd user to redis group
+    user:
+      name: _rspamd
+      groups: redis
+      append: true
+
 - name: create local.d config files
   template:
     src: local.d.config.j2