chore: add simple readme

PantherByte.sln

@@ -2,6 +2,11 @@
 Microsoft Visual Studio Solution File, Format Version 12.00
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PantherByte", "PantherByte\PantherByte.csproj", "{92A66B7A-D045-450D-AF19-1DC36FD599F7}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Github", "Github", "{B763D1DD-E762-496E-BE00-419D4F2D1CAB}"
+	ProjectSection(SolutionItems) = preProject
+		README.md = README.md
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU

README.md

@@ -0,0 +1,7 @@
+# PantherByte
+
+This program is a simple wrapper around the [`yt-dlp`](https://github.com/yt-dlp/yt-dlp) 
+commandline program. It was designed with simplicity in mind, and uses the Avalonia MVVM
+design pattern.
+
+It is currently a private application, but can be made public if required.