message: docs: remove class-validator example from README
diff: @@ -99,23 +99,26 @@ static async increasePriceOfTofu(priceIncrease: number, remult?: Remult) {
  ## :ballot_box_with_check: Data validation and constraints - defined once
  ```ts
  -import { Entity, EntityBase, Field } from 'remult';
  -import { Min } from 'class-validator';
  +import { Entity, EntityBase, Fields } from 'remult';
  @Entity('products', {
  allowApiCrud: true
  })
  export class Product extends EntityBase {
  @Fields.string<Product>({
  - validate: p => {
  - if (p.name.trim().length == 0)
  - p.$.name.error = 'required';
  + validate: product => {
  + if (product.name.trim().length == 0)
  + product.$.name.error = 'required';
  }
  })
  name = '';
  - @Fields.number()
  - @Min(0)
  + @Fields.number({
  + validate: (_, field) => {
  + if (field.value < 0)
  + field.error = "must not be less than 0";
  + }
  + })
  unitPrice = 0;
  }
  ```
  @@ -136,7 +139,7 @@ catch {
  ```sh
  > curl -d "{""unitPrice"":-1}" -H "Content-Type: application/json" -X POST http://localhost:3001/api/products
  -{"modelState":{"unitPrice":"unitPrice must not be less than 0","name":"required"},"message":"Name: required"}
  +{"modelState":{"unitPrice":"must not be less than 0","name":"required"},"message":"Name: required"}
  ```
  ## :lock: Secure the API with fine-grained authorization
  