Create dotnetcore.yml (stratisproject#46)

* Create dotnetcore.yml

* Update Obsidian.ObsidianD.csproj

* Update README.md

* Update README.md

.github/workflows/dotnetcore.yml

@@ -0,0 +1,18 @@
+name: .NET Core
+
+on: pull_request
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Setup .NET Core
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: 2.2.108
+    - name: Build Solution
+      run: dotnet build **/Obsidian-All.sln --configuration Release 
+    - name: Test solution
+      run: dotnet test **/Obsidian-All.sln

README.md

@@ -2,6 +2,10 @@
 | :---- | :------ | :---- |
 | [![Build Status](https://dev.azure.com/StratisProject/StratisBitcoinFullNode/_apis/build/status/HostedWindowsContainer-CI)](https://dev.azure.com/StratisProject/StratisBitcoinFullNode/_build/latest?definitionId=4) | [![Build Status](https://dev.azure.com/StratisProject/StratisBitcoinFullNode/_apis/build/status/HostedmacOS-CI)](https://dev.azure.com/StratisProject/StratisBitcoinFullNode/_build/latest?definitionId=6) | [![Build Status](https://dev.azure.com/StratisProject/StratisBitcoinFullNode/_apis/build/status/HostedUbuntu1604-CI)](https://dev.azure.com/StratisProject/StratisBitcoinFullNode/_build/latest?definitionId=5)
 
+
+[![Actions Status](https://github.com/obsidianproject/Obsidian-StratisNode/workflows/.NET%20Core/badge.svg)](https://github.com/obsidianproject/Obsidian-StratisNode/actions)  
+
+
 Stratis Bitcoin
 ===============
 

src/Obsidian.ObsidianD/Obsidian.ObsidianD.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp2.2</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>