Create release to run when RELEASE.md is changed

.github/workflows/build_test.yaml

@@ -0,0 +1,31 @@
+on:
+  push:
+    paths-ignore:
+      - '.github/workflows/build_release.yaml'
+      - 'RELEASE.md'
+  pull_request:
+
+env:
+  RELEASE_NAME: SteamDeckTools
+  DOTNET_VERSION: '6.0.x'
+
+jobs:
+  build-and-test:
+    runs-on: windows-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: ${{ env.DOTNET_VERSION }}
+    - name: Install dependencies
+      run: dotnet restore
+    - name: Build without Version
+      run: dotnet build --configuration Release --output ${{ env.SteamDeckTools }}-develop/
+    - name: Test
+      run: dotnet test --no-restore --verbosity normal
+    - uses: vimtor/action-zip@v1
+      with:
+        files: ${{ env.SteamDeckTools }}-develop
+        dest: ${{ env.SteamDeckTools }}-develop.zip
+        recursive: true