Added deploy workflow

.github/workflows/deploy.yaml

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+name: Deploy
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+jobs:
+  publish-extension:
+    name: Publish to marketplace
+    runs-on: ubuntu-latest
+    environment: Production
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: .nvmrc
+
+      - name: Install dependencies
+        run: yarn install
+
+      - name: Publish to Open VSX Registry
+        id: publishToOpenVSX
+        uses: HaaLeo/publish-vscode-extension@v1
+        with:
+          pat: ${{ secrets.OPEN_VSX_TOKEN }}
+
+      - name: Publish to Visual Studio Marketplace
+        uses: HaaLeo/publish-vscode-extension@v1
+        with:
+          pat: ${{ secrets.VS_MARKETPLACE_TOKEN }}
+          registryUrl: https://marketplace.visualstudio.com
+          extensionFile: ${{ steps.publishToOpenVSX.outputs.vsixPath }}

.nvmrc

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+v21.1.0

.prettierrc.json

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+{
+    "tabWidth": 2
+}