DOC-2298: add Markdown Plugin in TinyMCE 7.0 release notes. (#3107)

* DOC-2298: add Markdown Plugin in TinyMCE 7.0 release notes.

* Update modules/ROOT/pages/7.0-release-notes.adoc

Co-authored-by: Farzad Hayat <farzad.hayatbakhsh@tiny.cloud>

* DOC-2298: update plugin location, assign correct plugin admon.

* DOC-2298: remove non open source admon created.

---------

Co-authored-by: Farzad Hayat <farzad.hayatbakhsh@tiny.cloud>

-new-material-templates/release-notes-template/ROOT/pages/<x.y[.z]>-release-notes.adoc

@@ -51,7 +51,6 @@ The new open source plugin, **<Open source plugin name>** // description here.
 
 For information on the **<Open source plugin name>** plugin see xref:<plugincode>.adoc[<Open source plugin name>].
 
-
 [[accompanying-premium-plugin-changes]]
 == Accompanying Premium plugin changes
 

modules/ROOT/pages/7.0-release-notes.adoc

@@ -11,6 +11,8 @@ include::partial$misc/admon-releasenotes-for-stable.adoc[]
 
 {productname} 7.0 was released for {enterpriseversion} and {cloudname} on Wednesday, March 20^th^, 2024. These release notes provide an overview of the changes for {productname} 7.0, including:
 
+* xref:new-premium-plugin<s>[New Premium plugins]
+* xref:new-open-source-plugin<s>[New Open Source plugin]
 * xref:new-premium-plugin<s>[New Premium plugins]
 * xref:accompanying-premium-plugin-changes[Accompanying Premium plugin changes]
 * xref:accompanying-premium-plugin-end-of-life-announcement[Accompanying Premium plugin end-of-life announcement]
@@ -55,6 +57,14 @@ include::partial$misc/admon-paid-addon-pricing.adoc[]
 
 For information on the **Export to PDF Premium Plugin** see xref:exportpdf.adoc[Export to PDF docs].
 
+=== Markdown
+
+The new Premium plugin, **Markdown**, detects pure markdown from a paste event within a {productname} editor instance and converts it to HTML.
+
+include::partial$misc/admon-premium-plugin.adoc[]
+
+For information on the **Markdown** plugin see xref:markdown.adoc[Markdown].
+
 
 [[accompanying-premium-plugin-changes]]
 == Accompanying Premium plugin changes