Made keycloak partially init from env variables

also fixed theme to russian

config/02-users-config.yaml

@@ -0,0 +1,10 @@
+realm: $(REALM_NAME)
+
+users:
+  - username: service-account-$(QUANTUM_BACKEND_CLIENT_ID)
+    enabled: true
+    serviceAccountClientId: $(QUANTUM_BACKEND_CLIENT_ID)
+    clientRoles:
+      realm-management:
+        - view-users
+        - query-users