[feat] docs; update admonition syntax (#68842)

* [feat] docs; update admonition syntax

- Standardizes according to style conventions: https://grafana.com/docs/writers-toolkit/style-guide/style-conventions/#admonitions
- Prepares docs for better, uniform admonition style.

* Remove false positives and irregularities

* false positive removal

* Update docs/sources/datasources/mysql/_index.md

* Update docs/sources/developers/angular_deprecation/angular-plugins.md

* fix link errors

* Prettify some nested blockquotes

* remoe unnecessary admonition

docs/sources/datasources/influxdb/_index.md

@@ -84,10 +84,13 @@ InfluxDB data source options differ depending on which query language you select
 
 To help choose the best language for your needs, refer to a [comparison of Flux vs InfluxQL](https://docs.influxdata.com/influxdb/v1.8/flux/flux-vs-influxql/) and [why InfluxData created Flux](https://www.influxdata.com/blog/why-were-building-flux-a-new-data-scripting-and-query-language/).
 
-> **Note:** Though not required, we recommend that you append your query language choice to the data source's **Name** setting:
->
-> - InfluxDB-InfluxQL
-> - InfluxDB-Flux
+{{% admonition type="note" %}}
+Though not required, we recommend that you append your query language choice to the data source's **Name** setting:
+
+- InfluxDB-InfluxQL
+- InfluxDB-Flux
+
+{{% /admonition %}}
 
 ### Configure InfluxQL
 
@@ -117,9 +120,11 @@ Configure these options if you select the Flux query language:
 You can define and configure the data source in YAML files as part of Grafana's provisioning system.
 For more information about provisioning, and for available configuration options, refer to [Provisioning Grafana]({{< relref "../../administration/provisioning/#data-sources" >}}).
 
-> **Note:** `database` [field is deprecated](https://github.com/grafana/grafana/pull/58647).
-> We suggest to use `dbName` field in `jsonData`. Please see the examples below.
-> No need to change existing provisioning settings.
+{{% admonition type="note" %}}
+`database` [field is deprecated](https://github.com/grafana/grafana/pull/58647).
+We suggest to use `dbName` field in `jsonData`. Please see the examples below.
+No need to change existing provisioning settings.
+{{% /admonition %}}
 
 #### Provisioning examples