chore: add health endpoint

Author: tilyupo

.env.example

@@ -7,10 +7,6 @@ DATABASE_URL=postgresql://postgres:postgres@127.0.0.1:5432/replane
 # DATABASE_PORT=5432
 # DATABASE_NAME=replane
 
-PG_INSECURE=true
-# local|self|production|test
-STAGE=local
-
 # Force color output in terminal, for pretty test output
 FORCE_COLOR=1
 

src/app/mbx-health/route.ts

@@ -0,0 +1,5 @@
+import {NextResponse} from 'next/server';
+
+export function GET() {
+  return NextResponse.json({status: 'ok'});
+}