Fixed CORS and trait issue Kratos

.docker/kratos/default.schema.json

@@ -1,7 +1,7 @@
 {
-  "$id": "https://schemas.ory.sh/presets/kratos/quickstart/email-password/identity.schema.json",
+  "$id": "file:///etc/config/kratos/default.schema.json",
   "$schema": "http://json-schema.org/draft-07/schema#",
-  "title": "Person",
+  "title": "default",
   "type": "object",
   "properties": {
     "traits": {
@@ -10,6 +10,7 @@
         "email": {
           "type": "string",
           "format": "email",
+          "title": "E-Mail",
           "minLength": 3,
           "ory.sh/kratos": {
             "credentials": {
@@ -31,7 +32,7 @@
           "minLength": 3
         }
       },
-      "required": ["email"],
+      "required": ["email", "username"],
       "additionalProperties": false
     }
   }