Koa

Describe the bug
Using xframe ALLOW-FROM throws error in console: Invalid 'X-Frame-Options' header encountered when loading 'https://api.dev.mysite.com/uploads/my-file.pdf': 'ALLOW-FROM dev.mysite.com' is not a recognized directive. The header will be ignored.

https://strapi.io/documentation/v3.x/concepts/middlewares.html#response-middlewares
instructions for xframe indicate `ALLOW-FR

Information

Add ajv-errors message customization support.

Ref: https://www.npmjs.com/package/ajv-errors
Related: #833

Example

Configuration:

const Ajv = require("ajv").default
const ajv = new Ajv({allErrors: true})
// Ajv option allErrors is required
require("ajv-errors")(ajv /*, {singleError: true} */)

const schema = {
  type: "object",
  required: ["foo"],
  p

I've read the docs, and it seems you can pass through knex instances, but I didn't see if it supports SQLite3 - could you clarify please?