message: Add extra debug log
  typegoose(src): add an debug log when "buildSchema" gets called
diff: @@ -120,6 +120,8 @@ export function getModelWithString<U extends AnyParamConstructor<any>>(key: stri
  export function buildSchema<U extends AnyParamConstructor<any>>(cl: U, options?: mongoose.SchemaOptions) {
  assertionIsClass(cl);
  + logger.debug('buildSchema called for "%s"', getName(cl));
  +
  const mergedOptions = mergeSchemaOptions(options, cl);
  let sch: mongoose.Schema<U>;
  