database migration from sqlite to postgres

Signed-off-by: philippe lhardy <philippe.lhardy@astrolabe.coop>

nextcloud_devenv/config_db_query.sh

@@ -0,0 +1,15 @@
+
+query_password "database password :" password
+
+if [[ -z $password ]]
+then
+    log_error "Missing password"
+    exit 1
+fi
+
+flavor=dev
+
+database_name=nextcloud_$flavor
+username=nextcloud_$flavor
+db_port=5432
+db_hostname=127.0.0.1