Add self-hosted project folder

helper.md

@@ -0,0 +1,8 @@
+Check if server.json is present
+```bash
+docker exec -it pgadmin_container ls -l /var/lib/pgadmin/servers.json
+```
+Check the content of server.json
+```bash
+docker exec -it pgadmin_container cat /var/lib/pgadmin/servers.json
+```