Net8 (#89)

* .NET 8 migration

* Fixed bugs with song management

* More cleanup and making some constants

* Updated yml

* Clean up

Removing comments, some cleanup, and moving the startup code into Program.cs

* Removing comments

* Fixed song deletion issue

* Added functionality to delete song directories

* Updated README

.github/workflows/dotnet.yml

@@ -16,7 +16,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v2
       with:
-        dotnet-version: 6.0.x
+        dotnet-version: 8.0.x
     - name: Restore dependencies
       run: dotnet restore
     - name: Build