Adds Github CI/CD workflow.

.github/workflows/liara.yaml

@@ -0,0 +1,44 @@
+name: MyBook-CI/CD
+
+env:
+  DOTNET_VERSION: '8'
+
+on:
+  push:
+    branches:
+      - master
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout source code
+        uses: actions/checkout@v3
+
+      - name: Setup dotnet
+        uses: actions/setup-dotnet@v4
+        with: 
+          dotnet-version: ${{ env.DOTNET_VERSION }}
+
+      - name: Restore packages
+        run: dotnet restore MyBook
+
+      - name: Build 
+        run: dotnet build MyBook --no-restore
+
+      - name: Run tests 
+        run: dotnet test MyBook.Test --no-build --verbosity normal
+  deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: "18"
+      - name: update-liara
+        env:
+          LIARA_TOKEN: ${{ secrets.LIARA_API_TOKEN }}
+        run: |
+          npm i -g @liara/cli@5
+          liara deploy --app="mybook" --api-token="$LIARA_TOKEN" --no-app-logs --port 80