fix: limit of json body not working

- limit of bodyParser.json not
overwrite original limit of json body
- Move limit option into every express.json() functions

server.js

@@ -26,11 +26,13 @@ app.use(express.static('public'));
 app.use(express.urlencoded({
     extended: true
 }));
-app.use(express.json());
 app.use(express.json({
-    "type": "application/fhir+json"
+    "limit": "50mb"
+}));
+app.use(express.json({
+    "type": "application/fhir+json",
+    "limit": "50mb"
 }));
-app.use(bodyParser.json({ "limit": "50mb" }));
 app.use(express.text({
     "type": ["text/*", "/_xml", "xml", "+xml"]
 }));