v3.0.0

What's Changed

• feat: new services added in SDK, webhook support added for x-ghl-signature, make SDK compitable with php 7.4, move mongodb dependency to suggest in composer by @ghl-karan-kaneria in #6
• chore(release): v3.0.0 by @ghl-karan-kaneria in #8

New Contributors

• @ghl-karan-kaneria made their first contribution in #6

Full Changelog: v1.0.0-beta...v3.0.0