Added the release notes MD file and corresponding node entry in the TOC.html file for the Weekly Nuget Release - March 14, 2023

Author: DeepakRajSundar

xamarin-android/Release-Notes/v20.4.0.54.md

@@ -0,0 +1,16 @@
+---
+title: Essential Studio for Xamarin.Android Weekly Nuget Release Release Notes  
+description: Essential Studio for Xamarin.Android Weekly Nuget Release Release Notes  
+platform: Xamarin.Android
+documentation: ug
+---
+
+# Essential Studio for Xamarin.Android  Release Notes  
+
+{% include release-info.html date="March 14, 2023"  version="v20.4.0.54" %} 
+
+{% directory path: _includes/release-notes/v20.4.0.54 %}
+
+{% include {{file.url}} %}
+
+{% enddirectory %}