🌟 Data migration tool from nextcloud (#299)

- created server configuration
 - implemented downloading files from nextcloud to a local directory
 - build of the docker image added to the GutHub workflow
 - Twake client added
 - Creating user in Twake Drive from ldap
 - Ldap client with ldapsearch(TODO make it work with ldapjs)
 - Jest debug tests

tdrive/backend/node/config/custom-environment-variables.json

@@ -63,6 +63,13 @@
       "useAuth": "SEARCH_ES_USE_AUTH",
       "username": "SEARCH_ES_USERNAME",
       "password": "SEARCH_ES_PASSWORD"
+    },
+    "opensearch": {
+      "endpoint": "SEARCH_OS_ENDPOINT",
+      "flushInterval": "SEARCH_OS_FLUSHINTERVAL",
+      "useAuth": "SEARCH_OS_USE_AUTH",
+      "username": "SEARCH_OS_USERNAME",
+      "password": "SEARCH_OS_PASSWORD"
     }
   },
   "storage": {