Diátaxis: Add sections "How-to guides" and "Tutorials"

Author: amotl

docs/feature/document/usage.md

@@ -1,5 +1,6 @@
 (objects-basics)=
 (objects-usage)=
+(objects-tutorial-marketing)=
 
 # Objects: Analyzing Marketing Data
 

docs/howto/index.md

@@ -0,0 +1,6 @@
+(howtos)=
+(howto-guides)=
+
+# How-to guides
+
+Todo.

docs/index.md

@@ -1,8 +1,5 @@
 (index)=
 (guides)=
-(howtos)=
-(tutorials)=
-(use-more-tutorials)=
 
 # The CrateDB Guide
 
@@ -302,7 +299,9 @@ topic/index
 Solutions <solution/index>
 integrate/index
 admin/index
-performance/index
+Performance <performance/index>
+howto/index
+tutorial/index
 ```
 
 

docs/topic/timeseries/learn/query.md

@@ -1,6 +1,7 @@
 (timeseries-analysis-advanced)=
 (timeseries-analysis-weather)=
 (timeseries-querying)=
+(timeseries-tutorial-weather)=
 
 # Analyzing Weather Data
 

docs/topic/timeseries/learn/with-metadata.md

@@ -1,5 +1,6 @@
 (timeseries-objects)=
 (timeseries-with-metadata)=
+(timeseries-tutorial-metadata)=
 
 # Analyzing Device Readings with Metadata Integration
 

docs/tutorial/index.md

@@ -0,0 +1,24 @@
+(tutorials)=
+(use-more-tutorials)=
+
+# Tutorials
+
+## Get started
+
+Learn about fundamental features of CrateDB.
+
+- {ref}`objects-tutorial-marketing`
+- {ref}`search-tutorial-netflix`
+- {ref}`timeseries-tutorial-metadata`
+- {ref}`timeseries-tutorial-weather`
+
+## Integrations
+
+Learn how to integrate CrateDB with 3rd-party, industry-standard products.
+
+- {ref}`grafana-tutorial`
+- {ref}`debezium-tutorial`
+- {ref}`azure-functions-tutorial`
+- {ref}`tensorflow-tutorial`
+- {ref}`r-tutorial`
+- {ref}`locust-tutorial`