Hide empty error messages on hot reload and add workaround for .NET 10.0.101 hot reload bug affecting static content.

Author: phil-scott-78

Spectre.Docs/Program.cs

@@ -111,7 +111,14 @@
                     )
                 }
             ]};
-        }
+        },
+        // .net 10.0.101 has a bug flash grey on all content change and not removing it.
+        // this hides empty error messages on hot reload
+        ExtraStyles = """
+                      #dotnet-compile-error:empty {
+                          display: none;
+                      }
+                      """
     });
 
 var app = builder.Build();

Spectre.Docs/wwwroot/.hot-reload-workaround.txt

@@ -0,0 +1,5 @@
+.net 10 as of 10.0.101 has a bug thinking anything out
+of the wwwroot folder is a code change. this is a placeholder to keep
+this folder alive and allow some tomfoolery from MyLittleContentEngine
+to trick it to keep hot reload working for Markdown files and static content
+in the Content folder working.