Add build script.

.gitea/workflows/build.yaml

@@ -0,0 +1,27 @@
+name: Build
+run-name: Building with docker container.
+on:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container:
+      image: ubuntu/dotnet-deps:stable
+      env:
+        REFUEL_API_KEY: "${{secrets.REFUEL_API_KEY}}"
+        NUGET_USER_NAME: "${{vars.NUGET_USER_NAME}}"
+        NUGET_INDEX: "${{vars.NUGET_INDEX}}"
+      volumes:
+        - ${{ gitea.workspace }}:/home/refuel/src
+    steps:
+      - name: Check repository out.
+        uses: actions/checkout@v3
+        with:
+          submodules: recursive
+      - name: Run Build Script
+        run: dotnet build -c Release
+      - name: Add nuget source.
+        run: dotnet nuget add source -n ReFuel -u "$NUGET_USER_NAME" -p "$REFUEL_API_KEY" --store-password-in-clear-text "$NUGET_INDEX"
+      - name: Push Nuget Packages
+        run: dotnet nuget push -s ReFuel ReFuel.Gltf/bin/*/*.nupkg