Added Release workflow (#148)

* Added Release workflow

Author: smaillet

.github/workflows/release-build.yml

@@ -0,0 +1,46 @@
+name: Release-Build
+on:
+  release:
+    type: created
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: windows-latest
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v2
+        with:
+           persist-credentials: false
+           fetch-depth: 0
+
+      - name: Checkout submodules
+        run: git submodule update --init --recursive
+
+      - name: Setup NuGet
+        uses: NuGet/setup-nuget@v1.0.2
+        with:
+          nuget-version: latest
+
+      - name: Build Source
+        run: .\Build-All.ps1
+
+      - name: Publish Artifacts
+        uses: actions/upload-artifact@v1
+        with:
+            name: Nuget Packages
+            path: .\BuildOutput\Nuget
+
+      - name: Commit Docs
+        env:
+          docspush_email: 32618965+cibuild-telliam@users.noreply.github.com
+          docspush_username: cibuild-telliam
+        run: .\Push-Docs.ps1 -SkipPush
+
+      - name: Push Docs
+        uses: ad-m/github-push-action@master
+        with:
+            github_token: ${{ secrets.GITHUB_TOKEN }}
+            directory: .\BuildOutput\docs
+            branch: gh-pages