Change serverless to typescript.

serverless/serverless.yml

@@ -60,9 +60,19 @@ provider:
   httpApi: # This creates a cheaper, faster "HTTP API" Gateway
     cors: true # Automatically configures CORS
 
+build:
+  esbuild:
+    bundle: true
+    minify: false
+    sourcemap: true
+    exclude: 
+      - '@aws-sdk/*'
+    target: node22
+    platform: node
+
 functions:
   vehicleType:
-    handler: src/handlers/vehicleTypes.handler
+    handler: src/handlers/vehicleType.handler
     events:
       - httpApi:
           path: /vehicleType