Docs: Add queries.md (#24363)

* Create queries.md

* Delete mixed.md

* Update _index.md

* Update menu.yaml

* Update queries.md

* Update menu.yaml

* Update queries.md

* Update queries.md

* Update queries.md

* Update docs/sources/panels/queries.md

Co-authored-by: Dominik Prokop <dominik.prokop@grafana.com>

* Update docs/sources/panels/queries.md

Co-authored-by: Dominik Prokop <dominik.prokop@grafana.com>

* Update docs/sources/panels/queries.md

Co-authored-by: Dominik Prokop <dominik.prokop@grafana.com>

* Update queries.md

* Update queries.md

* Update queries.md

* Update queries.md

* Update queries.md

* Update queries.md

Co-authored-by: Dominik Prokop <dominik.prokop@grafana.com>

docs/sources/menu.yaml

@@ -101,30 +101,32 @@
 - name: Panels
   link: /features/panels/
   children:
-    - link: /features/panels/panels/
-      name: Overview
-    - link: /features/panels/graph/
-      name: Graph
-    - link: /features/panels/table_panel/
-      name: Table
-    - link: /features/panels/stat/
-      name: Stat
-    - link: /features/panels/gauge/
-      name: Gauge
-    - link: /features/panels/bar_gauge/
-      name: Bar gauge
-    - link: /features/panels/logs/
-      name: Logs
-    - link: /features/panels/singlestat/
-      name: Singlestat
-    - link: /features/panels/heatmap/
-      name: Heatmap
-    - link: /features/panels/alertlist/
-      name: Alert list
-    - link: /features/panels/dashlist/
-      name: Dashboard list
-    - link: /features/panels/text/
-      name: Text
+  - link: /features/panels/panels/
+    name: Overview
+  - link: /features/panels/graph/
+    name: Graph
+  - link: /features/panels/table_panel/
+    name: Table
+  - link: /features/panels/stat/
+    name: Stat
+  - link: /features/panels/gauge/
+    name: Gauge
+  - link: /features/panels/bar_gauge/
+    name: Bar gauge
+  - link: /features/panels/logs/
+    name: Logs
+  - link: /features/panels/singlestat/
+    name: Singlestat
+  - link: /features/panels/heatmap/
+    name: Heatmap
+  - link: /features/panels/alertlist/
+    name: Alert list
+  - link: /features/panels/dashlist/
+    name: Dashboard list
+  - link: /features/panels/text/
+    name: Text
+  - link: /panels/queries/
+    name: Queries
 - name: Dashboards
   link: /features/dashboard/
   children:
@@ -163,36 +165,34 @@
 - name: Data sources
   link: /features/datasources/
   children:
-    - link: /features/datasources/add-a-data-source/
-      name: Add data source
-    - link: /features/datasources/cloudwatch/
-      name: AWS Cloudwatch
-    - link: /features/datasources/azuremonitor/
-      name: Azure Monitor
-    - link: /features/datasources/elasticsearch/
-      name: Elasticsearch
-    - link: /features/datasources/stackdriver/
-      name: Google Stackdriver
-    - link: /features/datasources/graphite/
-      name: Graphite
-    - link: /features/datasources/influxdb/
-      name: InfluxDB
-    - link: /features/datasources/loki/
-      name: Loki
-    - link: /features/datasources/mssql/
-      name: Microsoft SQL Server
-    - link: /features/datasources/mixed/
-      name: MixedData
-    - link: /features/datasources/mysql/
-      name: MySQL
-    - link: /features/datasources/opentsdb/
-      name: OpenTSDB
-    - link: /features/datasources/postgres/
-      name: PostgreSQL
-    - link: /features/datasources/prometheus/
-      name: Prometheus
-    - link: /features/datasources/testdata/
-      name: TestData DB
+  - link: /features/datasources/add-a-data-source/
+    name: Add data source
+  - link: /features/datasources/cloudwatch/
+    name: AWS Cloudwatch
+  - link: /features/datasources/azuremonitor/
+    name: Azure Monitor
+  - link: /features/datasources/elasticsearch/
+    name: Elasticsearch
+  - link: /features/datasources/stackdriver/
+    name: Google Stackdriver
+  - link: /features/datasources/graphite/
+    name: Graphite
+  - link: /features/datasources/influxdb/
+    name: InfluxDB
+  - link: /features/datasources/loki/
+    name: Loki
+  - link: /features/datasources/mssql/
+    name: Microsoft SQL Server
+  - link: /features/datasources/mysql/
+    name: MySQL
+  - link: /features/datasources/opentsdb/
+    name: OpenTSDB
+  - link: /features/datasources/postgres/
+    name: PostgreSQL
+  - link: /features/datasources/prometheus/
+    name: Prometheus
+  - link: /features/datasources/testdata/
+    name: TestData DB
 - name: Explore
   link: /features/explore/
 - name: Alerting