Add deployment instructions for VS Code Web and include initialization image

Author: Harsh-Microsoft

docs/DeploymentGuide.md

@@ -89,6 +89,24 @@ You can run this solution in VS Code Dev Containers, which will open the project
 
 </details>
 
+<details>
+  <summary><b>Deploy in VS Code Web</b></summary>
+
+ ### VS Code Web
+
+[![Open in Visual Studio Code Web](https://img.shields.io/static/v1?style=for-the-badge&label=Visual%20Studio%20Code%20(Web)&message=Open&color=blue&logo=visualstudiocode&logoColor=white)](https://insiders.vscode.dev/azure/?vscode-azure-exp=foundry&agentPayload=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)
+
+1. Click the badge above (may take a few minutes to load)
+2. Sign in with your Azure account when prompted
+3. Select the subscription where you want to deploy the solution
+4. Wait for the environment to initialize (includes all deployment tools)
+5. When prompted in the VS Code Web terminal, choose one of the available options shown below:
+
+   ![VS Code Initial Prompt](./images/vscodeweb_intialize.png)
+6. Continue with the [deploying steps](#deploying-with-azd)
+
+</details>
+
 <details>
   <summary><b>Deploy in your local environment</b></summary>