Update documentation links

Author: MasterMedo

CONTRIBUTING.md

@@ -16,4 +16,4 @@ Before creating a bug report, please check out [GitHub Issues](https://github.co
 
 Please send a GitHub [Pull Request](https://github.com/memgraph/mage/pulls) with a clear list of what you've done. Make sure all of your commits are atomic (one feature per commit).
 
-If you need information on how Memgraph query modules work and how to implement them, take a look at our [documentation](https://docs.memgraph.com/memgraph/database-functionalities/query-modules) and specifically this [reference guide section](https://docs.memgraph.com/memgraph/reference-guide/query-modules).
+If you need information on how Memgraph query modules work and how to implement them, take a look at our [documentation](https://docs.memgraph.com/memgraph/database-functionalities/query-modules/built-in-query-modules/) and specifically this [reference guide section](https://docs.memgraph.com/memgraph/reference-guide/query-modules).

README.md

@@ -4,7 +4,7 @@ This open-source repository contains all available query modules written by the
 
 ## MAGE Query modules
 
-Memgraph introduces the concept of **query modules**, user-defined procedures that extend the Cypher query language. These procedures are grouped into modules that can be loaded into Memgraph. You can find more information on query modules in the official [documentation](https://docs.memgraph.com/memgraph/database-functionalities/query-modules).
+Memgraph introduces the concept of **query modules**, user-defined procedures that extend the Cypher query language. These procedures are grouped into modules that can be loaded into Memgraph. You can find more information on query modules in the official [documentation](https://docs.memgraph.com/memgraph/database-functionalities/query-modules/built-in-query-modules).
 
 Query modules implemented in Python:
 * [nxalg](python/nxalg.py): A module that provides NetworkX integration with Memgraph and implements many NetworkX algorithms.  
@@ -69,4 +69,4 @@ We encourage everyone to contribute with their own algorithm implementations and
 Everyone participating in this project is governed by the [Code of Conduct](CODE_OF_CONDUCT.md). By participating, you are expected to uphold this code. Please report unacceptable behavior to <[email protected]>.
 
 ## Feedback
-Your feedback is always welcome and valuable to us. Please don't hesitate to post on our [Community Forum](https://discourse.memgraph.com/).
+Your feedback is always welcome and valuable to us. Please don't hesitate to post on our [Community Forum](https://discourse.memgraph.com/).