feat: add costume directive use by templator

[SonyPradana]

Q	A
Is bugfix?	No
New feature?	Yes
Breaks BC?	No
Fixed issues

---

Add costume directive use by templator

eg:

DirectiveTemplator::register('json', fn ($data): string => json_encode($data));

used

<script>
const data = {{  json($data) }};
</script>