Change default to solution root location

Author: timheuer

src/Commands/ManifestGen.cs

@@ -27,6 +27,9 @@ protected override async Task ExecuteAsync(OleMenuCmdEventArgs e, Project projec
 
         var projectPath = Path.GetDirectoryName(project.FullPath);
 
+        var solution = await VS.Solutions.GetCurrentSolutionAsync();
+        var solutionPath = Path.GetDirectoryName(solution.FullPath);
+
         var options = await General.GetLiveInstanceAsync();
 
         string manifestPath;
@@ -38,7 +41,7 @@ protected override async Task ExecuteAsync(OleMenuCmdEventArgs e, Project projec
         }
         else
         {
-            manifestPath = Path.Combine(projectPath, options.DefaultPath);
+            manifestPath = Path.Combine(solutionPath, options.DefaultPath);
         }
 
         await VS.StatusBar.StartAnimationAsync(StatusAnimation.Build);

src/Options/General.cs

@@ -13,7 +13,7 @@ public class General : BaseOptionModel<General>
 {
     [Category("Manifest file")]
     [DisplayName("Default path name")]
-    [Description("The default path of the folder where the manifest file will be generated")]
+    [Description("The default path of the folder where the manifest file will be generated. This will be at the solution root.")]
     [DefaultValue(".aspire")]
     public string DefaultPath { get; set; } = ".aspire";