message: add import to example
diff: @@ -91,6 +91,8 @@ export const exampleCheck: TechInsightJsonRuleCheck = {
  json-rules-engine supports a limited [number of built-in operators](https://github.com/CacheControl/json-rules-engine/blob/master/docs/rules.md#operators) that can be used in conditions. You can add your own operators by adding them to the `operators` array in the `JsonRulesEngineFactCheckerFactory` constructor. For example:
  ```diff
  ++ import { Operator } from 'json-rules-engine';
  +
  const myFactCheckerFactory = new JsonRulesEngineFactCheckerFactory({
  checks: [],
  logger,
  