Create build.yaml

What's the worst that could happen

.github/workflows/build.yaml

@@ -0,0 +1,45 @@
+name: Build
+
+on:
+  push:
+    branches: [dev]
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  pre_job:
+    runs-on: ubuntu-latest
+    outputs:
+      should_skip: ${{ steps.skip_check.outputs.should_skip }}
+    steps:
+      - id: skip_check
+        uses: fkirc/skip-duplicate-actions@master
+        with:
+          paths_ignore: '["**/README.md"]'
+          do_not_skip: '["pull_request", "workflow_dispatch", "schedule"]'
+  build:
+    needs: pre_job
+    if: ${{ needs.pre_job.outputs.should_skip != 'true' }}
+    runs-on: windows-latest
+    steps:
+
+    # Replace / with _ in ref name so that it can be used in a filename
+    - uses: mad9000/actions-find-and-replace-string@2
+      id: sanitizeRef
+      with:
+        source: ${{ github.ref_name }}
+        find: '/'
+        replace: '_'
+    # Get short-sha so that it can be used in a filename
+    - uses: benjlevesque/short-sha@v1.2
+      id: short-sha
+
+    - uses: actions/checkout@v2
+    - uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: "5.0.x"
+    - run: dotnet build -c Release
+    - uses: actions/upload-artifact@v2
+      with:
+        name: NewHorizons-${{ steps.sanitizeRef.outputs.value }}-${{ steps.short-sha.outputs.sha }}
+        path: .\NewHorizons\Bin\Release