GitHub Actions CI, take one

- Set up GitHub Actions to build the project on push to main branch.
- Please don't break.

.github/workflows/build.yml

@@ -0,0 +1,39 @@
+name: Build Program
+
+on: 
+  push:
+    branches: ["main"]
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        configuration: [Debug, Release]
+
+    runs-on: windows-latest
+
+    steps:
+    - name: Checkout Code
+      uses: actions/checkout@v1
+
+    - name: Setup MSBuild Path
+      uses: microsoft/setup-msbuild@v2
+
+    - name: Setup NuGet
+    - uses: nuget/setup-nuget@v2
+
+    - name: Restore NuGet Packages
+      run: nuget restore MSIFanControl.sln
+
+    - name: Build Solution
+      run: |
+        msbuild.exe MSIFanControl.sln /nologo /nr:false /p:DeployOnBuild=true /p:platform="Any CPU" /p:configuration="$env:Configuration"
+      env:
+        Configuration: ${{ matrix.Configuration }}
+
+    - name: Upload Artifact
+      uses: actions/upload-artifact@v1.0.0
+      with:
+        name: "MSIFanControl-${{ matrix.Configuration }}"
+        path: "./MSIFanControl.GUI/bin/${{ matrix.Configuration }}/"
+        compression-level: 9