[v10.0.x] [feat] docs; update admonition syntax (#68857)

[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

(cherry picked from commit 1c4bb9ca00)

Co-authored-by: Matt Dodson <47385188+MattDodsonEnglish@users.noreply.github.com>

docs/sources/datasources/mysql/_index.md

@@ -178,7 +178,9 @@ The response from MySQL can be formatted as either a table or as a time series.
 
 ### Dataset and Table selection
 
-> **Note:** If your table or database name contains a reserved word or a [not permitted character](https://dev.mysql.com/doc/refman/8.0/en/identifiers.html) the editor will put quotes around them. For example a table name like `table-name` will be quoted with backticks `` `table-name` ``.
+{{% admonition type="note" %}}
+If your table or database name contains a reserved word or a [not permitted character](https://dev.mysql.com/doc/refman/8.0/en/identifiers.html) the editor will put quotes around them. For example a table name like `table-name` will be quoted with backticks `` `table-name` ``.
+{{% /admonition %}}
 
 In the dataset dropdown, choose the MySQL database to query. The dropdown is be populated with the databases that the user has access to.
 When the dataset is selected, the table dropdown is populated with the tables that are available.