Add VS Code Python extension to devcontainer configuration

.devcontainer/devcontainer.json

@@ -7,6 +7,13 @@
 
 	"containerEnv": {
 		"OLLAMA_HOST": "ollama:11434"
+	},
+	"customizations": {
+		"vscode": {
+			"extensions": [
+				"ms-python.python"
+			]
+		}
 	}
 
 }