update dev container config, add port forwarding

.devcontainer/devcontainer.json

@@ -1,7 +1,7 @@
 // For format details, see https://aka.ms/devcontainer.json. For config options, see the
 // README at: https://github.com/devcontainers/templates/tree/main/src/python
 {
-	"name": "Python 3",
+	"name": "MaiBot-DevContainer",
 	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
 	"image": "mcr.microsoft.com/devcontainers/python:1-3.12-bullseye",
 
@@ -9,7 +9,9 @@
 	// "features": {},
 
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.
-	// "forwardPorts": [],
+    "forwardPorts": [
+      "8000:8000"
+    ],
 
 	// Use 'postCreateCommand' to run commands after the container is created.
 	// "postCreateCommand": "pip3 install --user -r requirements.txt",