message: Add WebSocket and API Gateway REST API examples to migration guide
diff: @@ -309,8 +309,10 @@ Seed has a fully-managed CI/CD pipeline, monitoring, real-time alerts, and deplo
  Following is a list of all the Lambda function triggers available in Serverless Framework. And the support status in SST (or CDK).
  | Type | Status |
  -| ---------------------- | ------------------------------- |
  -| Api | [Available](#api) |
  +| ---------------------- | ---------------------------------- |
  +| HTTP API | [Available](#http-api) |
  +| API Gateway REST API | [Available](#api-gateway-rest-api) |
  +| WebSocket API | [Available](#websocket) |
  | Schedule | [Available](#schedule) |
  | SNS | [Available](#sns) |
  | SQS | [Available](#sqs) |
  @@ -322,7 +324,6 @@ Following is a list of all the Lambda function triggers available in Serverless
  | EventBus Event. | [Available](#eventbus-event) |
  | EventBridge Event | [Available](#eventbridge-event) |
  | Cognito User Pool | [Available](#cognito-user-pool) |
  -| WebSocket | Available |
  | ALB | Available |
  | Alexa Skill | Available |
  | Alexa Smart Home | Available |
  @@ -395,7 +396,7 @@ A list of examples showing how to use Serverless Framework triggers or plugins i
  ### Triggers
  -#### API
  +#### HTTP API
  ```yml title="serverless.yml"
  functions:
  @@ -431,6 +432,81 @@ new Api(this, "Api", {
  });
  ```
  +#### API Gateway REST API
  +
  +```yml title="serverless.yml"
  +functions:
  + listUsers:
  + handler: listUsers.main
  + events:
  + - http:
  + method: GET
  + path: /users
  +
  + createUser:
  + handler: createUser.main
  + events:
  + - http:
  + method: POST
  + path: /users
  +
  + getUser:
  + handler: getUser.main
  + events:
  + - http:
  + method: GET
  + path: /users/{id}
  +```
  +
  +```js title="SST"
  +new ApiGatewayV1Api(this, "Api", {
  + routes: {
  + "GET /users": "listUsers.main",
  + "POST /users": "createUser.main",
  + "GET /users/{id}": "getUser.main",
  + },
  +});
  +```
  +
  +#### WebSocket
  +
  +```yml title="serverless.yml"
  +functions:
  + connectHandler:
  + handler: connect.main
  + events:
  + - websocket: $connect
  +
  + disconnectHandler:
  + handler: disconnect.main
  + events:
  + - websocket:
  + route: $disconnect
  +
  + defaultHandler:
  + handler: default.main
  + events:
  + - websocket:
  + route: $default
  +
  + sendMessageHandler:
  + handler: sendMessage.main
  + events:
  + - websocket:
  + route: sendMessage
  +```
  +
  +```js title="SST"
  +new WebSocketApi(this, "Api", {
  + routes: {
  + $connect: "src/connect.main",
  + $default: "src/default.main",
  + $disconnect: "src/disconnect.main",
  + sendMessage: "src/sendMessage.main",
  + },
  +});
  +```
  +
  #### Schedule
  ```yml title="serverless.yml"
  