Gramps: move cache to separate dir

playbook-gramps.yml

@@ -13,6 +13,7 @@
     app_owner_gid: 1010
     base_dir: "{{ (application_dir, app_name) | path_join }}"
     data_dir: "{{ (base_dir, 'data') | path_join }}"
+    cache_dir: "{{ (base_dir, 'cache') | path_join }}"
     backups_dir: "{{ (base_dir, 'backups') | path_join }}"
     gobackup_config: "{{ (base_dir, 'gobackup.yml') | path_join }}"
 
@@ -36,6 +37,7 @@
       loop:
         - "{{ base_dir }}"
         - "{{ data_dir }}"
+        - "{{ cache_dir }}"
         - "{{ backups_dir }}"
 
     - name: "Copy gobackup config"