Update query builder how-to guide

gqlalchemy/getting-started.md

@@ -30,5 +30,5 @@ guide](/how-to-guides/ogm.md) you can learn how to map Python classes to graph o
 ### 3. Learn how to use the query builder
 
 There is no need to learn the Cypher query language when you can use the [query
-builder](/how-to-guides/query-builder/create-nodes-relationships.md) in GQLAlchemy to perform
+builder](/how-to-guides/query-builder.md) in GQLAlchemy to perform
 the same tasks.

gqlalchemy/how-to-guides/ogm.md

@@ -15,8 +15,11 @@ Through this guide, you will learn how to use GQLAlchemy object graph mapper to:
 - [**Create indexes**](#create-indexes)
 - [**Create constraints**](#create-constraints)
 
+>Hopefully, this guide will teach you how to properly use GQLAlchemy object graph mapper. If you
+>have any more questions, join our community and ping us on [Discord](https://discord.gg/memgraph).
+
 :::info
-To test the above features, you need a running Memgraph instance. If you're not sure how to run Memgraph, check out the Memgraph [Quick start](/memgraph/#quick-start).
+To test the above features, you must [install GQLAlchemy](/docs/gqlalchemy/installation) and have a running Memgraph instance. If you're unsure how to run Memgraph, check out the Memgraph [Quick start](/memgraph/#quick-start).
 :::
 
 ## Map nodes and relationships
@@ -449,3 +452,6 @@ except:
 print(db.get_indexes())
 print(db.get_constraints())
 ```
+
+>Hopefully, this guide has taught you how to properly use GQLAlchemy object graph mapper. If you
+>have any more questions, join our community and ping us on [Discord](https://discord.gg/memgraph).

gqlalchemy/how-to-guides/overview.md

@@ -22,17 +22,7 @@ To learn more about how to use OGM, take at [**OGM how-to guide**](/how-to-guide
 
 When working with GQLAlchemy, you can connect to the database and execute Cypher
 queries using the query builder. To learn more about how to create a query using
-query builder, check out the following how-to guide:
-
-- [**Create nodes and
-  relationships**](/how-to-guides/query-builder/create-nodes-relationships.md)
-- [**Return results**](/how-to-guides/query-builder/return-results.md)
-- [**Filter data**](/how-to-guides/query-builder/filter-data.md)
-- [**Call query module
-  procedures**](/how-to-guides/query-builder/call-procedures.md)
-- [**Delete and remove
-  objects**](/how-to-guides/query-builder/delete-remove-objects.md)
-- [**Set or update objects**](/how-to-guides/query-builder/set-or-update-objects.md)
+query builder, check out the [**query builder how-to guide**](/how-to-guides/query-builder.md).
 
 ## Stream & trigger support