Fix: Add missing project to solution file

Author: hogimn

SqlFormatter.sln

@@ -1,12 +1,13 @@
-
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 17
-VisualStudioVersion = 17.4.33205.214
+# Visual Studio Version 18
+VisualStudioVersion = 18.6.11723.189 insiders
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SQL.Formatter", "SQL.Formatter\SQL.Formatter.csproj", "{37364F94-0280-4847-A912-FD95E8840B01}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SQL.Formatter.Test", "SQL.Formatter.Test\SQL.Formatter.Test.csproj", "{497AABF6-2D16-4420-BBFB-9DA20B1FDF05}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SQL.Formatter.Benchmarks", "SQL.Formatter.Benchmarks\SQL.Formatter.Benchmarks.csproj", "{E2C6072C-D4E5-EAE7-0EF3-2CE53BB04989}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -21,6 +22,10 @@ Global
 		{497AABF6-2D16-4420-BBFB-9DA20B1FDF05}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{497AABF6-2D16-4420-BBFB-9DA20B1FDF05}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{497AABF6-2D16-4420-BBFB-9DA20B1FDF05}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E2C6072C-D4E5-EAE7-0EF3-2CE53BB04989}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E2C6072C-D4E5-EAE7-0EF3-2CE53BB04989}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E2C6072C-D4E5-EAE7-0EF3-2CE53BB04989}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E2C6072C-D4E5-EAE7-0EF3-2CE53BB04989}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE