Move RateLimiting projects in their own folder (#41734)

Author: sebastienros

AspNetCore.sln

@@ -1708,6 +1708,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "HelixTestRunner", "eng\tool
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.AspNetCore.Html.Abstractions.Tests", "src\Html.Abstractions\test\Microsoft.AspNetCore.Html.Abstractions.Tests.csproj", "{487EF7BE-5009-4C70-B79E-45519BDD9603}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "RateLimiting", "RateLimiting", "{1D865E78-7A66-4CA9-92EE-2B350E45281F}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -11087,8 +11089,11 @@ Global
 		{2299CCD8-8F9C-4F2B-A633-9BF4DA81022B} = {017429CC-C5FB-48B4-9C46-034E29EE2F06}
 		{3AEFB466-6310-4F3F-923F-9154224E3629} = {2299CCD8-8F9C-4F2B-A633-9BF4DA81022B}
 		{EFC8EA45-572D-4D8D-A597-9045A2D8EC40} = {2299CCD8-8F9C-4F2B-A633-9BF4DA81022B}
+		{8EE73488-2B92-42BD-96C9-0DD65405C828} = {1D865E78-7A66-4CA9-92EE-2B350E45281F}
+		{41FF4F96-98D2-4482-A2A7-4B179E80D285} = {1D865E78-7A66-4CA9-92EE-2B350E45281F}
 		{51D07AA9-6297-4F66-A7BD-71CE7E3F4A3F} = {0F84F170-57D0-496B-8E2C-7984178EF69F}
 		{487EF7BE-5009-4C70-B79E-45519BDD9603} = {412D4C15-F48F-4DB1-940A-131D1AA87088}
+		{1D865E78-7A66-4CA9-92EE-2B350E45281F} = {E5963C9F-20A6-4385-B364-814D2581FADF}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {3E8720B3-DBDD-498C-B383-2CC32A054E8F}