Add nextcloud app config

vars/applications.yaml

@@ -109,3 +109,19 @@ omni_compose_apps:
       default: 1.1.2
       database: "10"
       cache: "6.2"
+
+  nextcloud:
+    datastore: /appdata/nextcloud
+    account:
+      name: mech_nextcloud
+      uid: 1290
+    published:
+      host: wsd.enp.one
+      ports:
+        80: 8082
+    networks:
+      main: 192.168.107.0/24
+    versions:
+      server: 21.0.1
+      database: "10"
+      cache: "6.2"