Remove the list of supported connectors from the Connectors docs. (#664)

Point to the menu instead. The list is always out-of-date.

docs/connectors/sinks/README.md

@@ -76,11 +76,8 @@ sdf = sdf.apply()  # continue different operations with another branch...
 
 ## Supported Sinks
 
-Currently, Quix Streams provides these sinks out of the box:
-
-- [Apache Iceberg Sink](apache-iceberg-sink.md) - a sink to write data in Apache Iceberg format.
-- [CSV Sink](csv-sink.md) - a simple CSV sinks that writes data to a single CSV file.
-- [InfluxDB 3 Sink](influxdb3-sink.md) - a sink to write data to InfluxDB 3.
+Quix Streams comes with pre-built Sinks for popular destinations.  
+They can be found in the left menu under `Quix Connectors -> Quix Streams -> Sinks`.
 
 It's also possible to implement your own custom sinks.  
 Please see the [Creating a Custom Sink](custom-sinks.md) page on how to do that.

docs/connectors/sources/README.md

@@ -23,13 +23,11 @@ if __name__ == "__main__":
 
 ## Supported sources
 
-Quix Streams provides the following sources out of the box:
+Quix Streams comes with pre-built Sources for popular data sources.  
+They can be found in the left menu under `Quix Connectors -> Quix Streams -> Sources`.
 
-* [CSVSource](./csv-source.md): A source that reads data from a single CSV file.
-* [KafkaReplicatorSource](./kafka-source.md): A source that replicates a topic from a Kafka broker to your application broker.
-* [QuixEnvironmentSource](./quix-source.md): A source that replicates a topic from a Quix Cloud environment to your application broker.
-
-To create a custom source, read [Creating a Custom Source](custom-sources.md).
+It is also possible to implement new Sources.   
+See [Creating a Custom Source](custom-sources.md) to learn how to do that.
 
 ## Multiprocessing