feat: refactor quest models

+ separate stage and exception
+ reuse commandResponder

packages/models/globalException.js

@@ -0,0 +1,10 @@
+import { Schema } from 'mongoose'
+import exceptionSchema from './exception.js'
+import requirementSchema from './requirement.js'
+
+const globalExceptionSchema = new Schema({})
+
+globalExceptionSchema.add(exceptionSchema)
+globalExceptionSchema.add(requirementSchema)
+
+export default globalExceptionSchema