Time series: Link ML primer into content tree

- timeseries/basic
- ml/index

Author: amotl

docs/domain/timeseries/basics.md

@@ -18,6 +18,11 @@
 - [Interpolating missing time series values]
 - [](inv:crate-reference#aggregation-percentile)
 
+## Machine Learning
+
+- [](#timeseries-ml-primer)
+- [Machine Learning Integrations](#integrate-machine-learning)
+
 ## Operations
 - [](#sharding-partitioning)
 - [CrateDB partitioned table vs. TimescaleDB Hypertable]

docs/integrate/ml/index.md

@@ -1,10 +1,15 @@
-(ml)=
-(machine-learning)=
+(integrate-machine-learning)=
 
 # Machine Learning
 
 Guidelines about integrating CrateDB with machine learning frameworks and tools.
 
+:::{tip}
+To learn about the specific area of running machine learning algorithms on time
+series data, please also visit the [](#timeseries-ml-primer).
+:::
+
+
 (langchain)=
 ## LangChain