Move from AppVeyor to GitHub Actions (#754)

* Remove AppVeyor

* Move to github actions

* Fetch everything

* Update to the latest Ruby 3.2

* Use the latest 2.x

* Revert "Use the latest 2.x"

This reverts commit 9af8cbc.

* Revert "Update to the latest Ruby 3.2"

This reverts commit 09b9c32.

Author: alexandrnikitin

.github/workflows/build_and_test.yml

@@ -28,3 +28,28 @@ jobs:
 
       - name: Test
         run: dotnet test -f ${{ matrix.framework }} --no-build --no-restore
+  
+  test-documentation:
+    runs-on: windows-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v3
+        with:
+          dotnet-version: |
+            6.0.x
+            7.0.x
+      
+      # used for documentation
+      - name: Setup Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '2.5'
+          bundler-cache: true
+
+      - name: Build all targets
+        run: build\build.cmd --target All

NSubstitute.sln

@@ -21,8 +21,6 @@ EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{CA2DD4AA-8DCD-42FB-8081-243281AD2956}"
 	ProjectSection(SolutionItems) = preProject
 		.editorconfig = .editorconfig
-		.travis.yml = .travis.yml
-		appveyor.yml = appveyor.yml
 		BreakingChanges.md = BreakingChanges.md
 		CHANGELOG.md = CHANGELOG.md
 		Directory.Build.props = Directory.Build.props

README.md

@@ -1,6 +1,6 @@
 NSubstitute
 ========
-[![Build status](https://ci.appveyor.com/api/projects/status/ipe7ephhy6f9bbgp/branch/master?svg=true)](https://ci.appveyor.com/project/NSubstitute/nsubstitute/branch/master) [![Travis Build Status](https://travis-ci.com/nsubstitute/NSubstitute.svg?branch=master)](https://travis-ci.com/nsubstitute/NSubstitute)
+[![Build status](https://github.com/nsubstitute/NSubstitute/actions/workflows/build_and_test.yml/badge.svg)](https://github.com/nsubstitute/NSubstitute/actions/workflows/build_and_test.yml)
 [![Nuget](https://img.shields.io/nuget/v/NSubstitute.svg)](https://www.nuget.org/packages/NSubstitute)
 
 Visit the [NSubstitute website](https://nsubstitute.github.io) for more information.