Add project files.

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: daily

.github/workflows/build.yml

@@ -0,0 +1,78 @@
+name: Build
+
+permissions:
+  contents: write
+
+on:
+  # Triggers the workflow on push or pull request events but only for the master branch
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+  workflow_dispatch:
+    inputs:
+      should_release:
+        description: "Create release?"
+        required: true
+        default: false
+        type: boolean
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup MAPI
+        uses: BadMagic100/setup-hk@v2
+        with:
+          apiPath: API
+          #dependencyFilePath: ouchyGrass/ModDependencies.txt
+
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v4
+
+      - name: Install dependencies
+        run: dotnet restore
+
+      - name: Build
+        run: dotnet build -c Release
+
+      - name: Prepare artifacts for release
+        uses: actions/upload-artifact@v4
+        with:
+          name: Publish
+          path: ouchyGrass/bin/Publish
+  release:
+    needs:
+      - build
+    runs-on: windows-latest
+    # only make a release if we manually request the build - other builds will be handled automatically with a push
+    if: github.event_name == 'workflow_dispatch' && github.event.inputs.should_release == 'true'
+    steps:
+      - name: Download Artifacts
+        uses: actions/download-artifact@v4
+        with:
+          path: artifacts
+      - name: Get build details
+        id: details
+        # this assumes that an MSBuild task that writes the SHA256 of the zip file to SHA.txt, and the mod version (usually
+        # the same as the assembly version) to version.txt. The contents of these files are read to step outputs for use in release
+        run: |
+          $sha = Get-Content artifacts/Publish/SHA.txt
+          $ver = Get-Content artifacts/Publish/VERSION.txt
+          echo "archiveHash=$sha" >> $env:GITHUB_OUTPUT
+          echo "buildVersion=$ver" >> $env:GITHUB_OUTPUT
+      - name: Release
+        uses: softprops/action-gh-release@v2
+        with:
+          draft: false
+          generate_release_notes: true
+          fail_on_unmatched_files: true
+          tag_name: v${{ steps.details.outputs.buildVersion }}
+          body: |
+            SHA256: ${{ steps.details.outputs.archiveHash }}
+          files: |
+            artifacts/Publish/ouchyGrass.zip