Additional extensions for Dev Container (Rainbow CSV, AI Foundry, AI Toolkit) (Azure-Samples#210)

* Add rainbow CSV extension (Azure-Samples#208)

* Add extensions to dev container

Author: pamelafox

.devcontainer/devcontainer.json

@@ -29,11 +29,15 @@
 			"extensions": [
 				"ms-python.python",
 				"ms-python.vscode-pylance",
+				"ms-python.vscode-python-envs",
 				"charliermarsh.ruff",
 				"mtxr.sqltools",
 				"mtxr.sqltools-driver-pg",
+				"esbenp.prettier-vscode",
+				"mechatroner.rainbow-csv",
 				"ms-vscode.vscode-node-azure-pack",
-                "esbenp.prettier-vscode"
+				"teamsdevapp.vscode-ai-foundry",
+				"ms-windows-ai-studio.windows-ai-studio"
 			],
 			// Set *default* container specific settings.json values on container create.
 			"settings": {