Update the migration docs (#1451)

* init

* add content to main page

* update main page

* fix typo

Author: matea16

next.config.mjs

@@ -3435,6 +3435,11 @@ export default withNextra({
         destination: '/getting-started/build-memgraph-from-source#run-memgraph',
         permanent: true
       },
+      {
+        source: '/data-migration/migrate-from-neo4j-using-single-cypher-query',
+        destination: 'data-migration/migrate-from-neo4j/using-single-cypher-query',
+        permanent: true
+      },
       {
         source: '/database-management/authentication-and-authorization/auth-system-integrations#flags',
         destination: '/database-management/authentication-and-authorization/auth-system-integrations#configuration-flags',

pages/data-migration/_meta.ts

@@ -4,7 +4,6 @@ export default {
   "json": "JSON",
   "cypherl": "CYPHERL",
   "migrate-from-neo4j": "Migrate from Neo4j",
-  "migrate-from-neo4j-using-single-cypher-query": "Migrate from Neo4j using a single Cypher query",
   "migrate-from-rdbms": "Migrate from RDBMS using CSV files",
   "migrate-from-rdbms-directly": "Migrate from RDBMS using MAGE modules",
   "migrate-iceberg-tables-from-data-lake-using-dremio": "Migrate Apache Iceberg tables  from data lake using Dremio",