Add project files.

.github/workflows/create-release-branch.yml

@@ -0,0 +1,29 @@
+name: Create release branch
+
+on:
+  push:
+    tags:
+      - "v*.0.0"
+
+jobs:
+  create-release:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Save tag version
+        uses: little-core-labs/get-git-tag@v3.0.1
+        id: tagName
+      - name: Setup .NET Core
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: "9.0.x"
+      - name: Install dependencies
+        run: dotnet restore
+      - name: Build
+        run: dotnet build --configuration Release --no-restore
+      - name: Create release branch
+        uses: peterjgrainger/action-create-branch@v2.2.0
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          branch: release-${{ steps.tagName.outputs.tag }}