Switching to github actions for CI

Author: lord-executor

.github/workflows/ci.yml

@@ -0,0 +1,13 @@
+name: .NET 5 CI
+on: [push]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    name: Build and Test (with Coverage)
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-dotnet@v1
+        with:
+          dotnet-version: '5.0.x'
+      - run: dotnet build src/MaybeSharp.sln
+      - run: dotnet test src/MaybeSharp.sln -f net5 /p:CollectCoverage=true /p:Include="[MaybeSharp]*"

.travis.yml

@@ -1,5 +1,5 @@
 
-[![GitHub](https://img.shields.io/github/license/mashape/apistatus.svg)](https://github.com/lord-executor/MaybeSharp/blob/master/LICENSE) [![Build Status](https://app.travis-ci.com/lord-executor/MaybeSharp.svg?branch=master)](https://app.travis-ci.com/lord-executor/MaybeSharp) [![Nuget](https://img.shields.io/nuget/v/MaybeSharp.svg)](https://www.nuget.org/packages/MaybeSharp/)
+[![GitHub](https://img.shields.io/github/license/mashape/apistatus.svg)](https://github.com/lord-executor/MaybeSharp/blob/master/LICENSE) [![.NET 5 CI](https://github.com/lord-executor/MaybeSharp/actions/workflows/ci.yml/badge.svg)](https://github.com/lord-executor/MaybeSharp/actions/workflows/ci.yml) [![Nuget](https://img.shields.io/nuget/v/MaybeSharp.svg)](https://www.nuget.org/packages/MaybeSharp/)
 
 
 # Overview

README.md

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net5</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>