chore: update readme and remove old project files

Author: rajamatt

UI/EFCoreSQLiteSample/README.md

@@ -1,7 +1,14 @@
-# Getting Started
+# EntityFrameworkCore SQLite Sample
 
-Welcome to the Uno Platform!
+Uses [EntityFrameworkCore](https://learn.microsoft.com/en-us/ef/core/) along with [SQLite](https://www.sqlite.org/) to implement a local database with an input to add new items in a cross-platform application. Multiple clients can be connected and update the database simultaneously.
 
-To discover how to get started with your new app: https://aka.platform.uno/get-started
+![EFCoreSQLite Image](doc/assets/efcoreSqliteSample.png)
 
-For more information on how to use the Uno.Sdk or upgrade Uno Platform packages in your solution: https://aka.platform.uno/using-uno-sdk
+## Codebase
+
+* [**BloggingContext.cs**](src/EFCoreSQLiteSample/BloggingContext.cs): Connects the client to the local [SQLite](https://www.sqlite.org/) instance and implements [EntityFrameworkCore DbSets](https://learn.microsoft.com/en-us/dotnet/api/microsoft.entityframeworkcore.dbset-1?view=efcore-8.0)
+
+## What is the Uno Platform
+
+[Uno Platform](https://platform.uno) is an open-source .NET platform for building single codebase native mobile, web, desktop, and embedded apps quickly.
+For additional information about Uno Platform or if you have any feedback to share, please refer to the [README.md](../../README.md) file in this Samples repository.