CI update to allow publishing pre-release versions (#111)

* Added a pre-release ci action

.github/workflows/BuildDockerOnTag-Prerelease.yml

@@ -0,0 +1,38 @@
+name: Build Pre-release Docker Image
+
+on:
+  push:
+    tags:
+      - 'v[0-9]+.[0-9]+.[0-9]+-preview.[0-9]'
+      - 'v[0-9]+.[0-9]+.[0-9]+-rc.[0-9]'
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          submodules: 'true'
+      - name: Install dotnet tool
+        run: dotnet tool install -g dotnetCampus.TagToVersion
+      - name: Set tag to version  
+        run: dotnet TagToVersion -t ${{ github.ref }}
+      - name: Sign in to Nuget
+        run: dotnet nuget add source --username michael-j-green --password ${{ secrets.NUGETKEY }} --store-password-in-clear-text --name github "https://nuget.pkg.github.com/gaseous-project/index.json"
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Login to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          platforms: linux/amd64 #,linux/arm64
+          push: true
+          tags: gaseousgames/gaseousserver:${{ github.ref_name}}

.github/workflows/BuildDockerOnTag-Release.yml

@@ -1,4 +1,4 @@
-name: Build Docker Image on New Tag
+name: Build Release Docker Image
 
 on:
   push: