add dotnet-format as pre-commit hook

.githooks/pre-commit

@@ -0,0 +1,7 @@
+#!/bin/sh
+#
+# Use with:
+#
+# $> git config core.hooksPath .githooks
+#
+dotnet format --exclude vendor/

Pal.Client/Net/GrpcLogger.cs

@@ -15,7 +15,7 @@ namespace Pal.Client.Net
         }
 
         public IDisposable BeginScope<TState>(TState state)
-            where TState: notnull
+            where TState : notnull
             => NullScope.Instance;
 
         public bool IsEnabled(LogLevel logLevel) => logLevel != LogLevel.None;