clean build artifacts

DotNetSolutionTools.Core/CleanFolder.cs

@@ -0,0 +1,17 @@
+
+namespace DotNetSolutionTools.Core;
+
+public static class CleanFolder
+{
+    public static void DeleteFolderWithOnlyBinAndObjSubFolders(string folderPath)
+    {
+        var binAndObjFolders = Directory.GetDirectories(folderPath, "*", SearchOption.AllDirectories)
+            .Where(x => x.EndsWith(Path.DirectorySeparatorChar + "bin") || x.EndsWith(Path.DirectorySeparatorChar + "obj"))
+            .ToList();
+        
+        foreach (var folder in binAndObjFolders)
+        {
+            Directory.Delete(folder, true);
+        }
+    }
+}