Rename build.yml to azure-pipelines.yml

Author: thomasgalliker

HttpClient.Caching.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 15
-VisualStudioVersion = 15.0.27428.2011
+# Visual Studio Version 17
+VisualStudioVersion = 17.1.32421.90
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "HttpClient.Caching", "HttpClient.Caching\HttpClient.Caching.csproj", "{CBA31ECF-3D41-4AF0-B966-7815F2AD25E9}"
 EndProject
@@ -11,10 +11,10 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "HttpClient.Caching.Tests",
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{755C7AC9-B66F-4FB3-9CFB-A6013586A5F7}"
 	ProjectSection(SolutionItems) = preProject
-		build.yml = build.yml
-		README.md = README.md
-		.gitignore = .gitignore
 		.editorconfig = .editorconfig
+		.gitignore = .gitignore
+		azure-pipelines.yml = azure-pipelines.yml
+		README.md = README.md
 	EndProjectSection
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ConsoleAppSample", "Samples\ConsoleAppSample\ConsoleAppSample.csproj", "{592B2324-79AA-4973-8CE5-F65BD503641F}"