v0.20.0

## What's Changed
* feat: Customize pdf templates by @abouolia in https://github.com/bigcapitalhq/bigcapital/pull/667
* feat: Onboard accounts to Stripe Connect by @abouolia in https://github.com/bigcapitalhq/bigcapital/pull/668
* feat: Upload company logo to invoice templates by @abouolia in https://github.com/bigcapitalhq/bigcapital/pull/670
* fix: Invoice pdf customize by @abouolia in https://github.com/bigcapitalhq/bigcapital/pull/672
* fix: Invoice customize bugs by @abouolia in https://github.com/bigcapitalhq/bigcapital/pull/673
* feat: Clean up payment links endpoints by @abouolia in https://github.com/bigcapitalhq/bigcapital/pull/674
* feat: Hook up company logo to server-side pdf templates by @abouolia in https://github.com/bigcapitalhq/bigcapital/pull/675
* feat: Company branding preferences by @abouolia in https://github.com/bigcapitalhq/bigcapital/pull/677
* feat: Pdf templates customer/company addresses by @abouolia in https://github.com/bigcapitalhq/bigcapital/pull/678
* fix: Listen to Stripe session completed event by @abouolia in https://github.com/bigcapitalhq/bigcapital/pull/679
* feat: Track pdf templates Posthog events by @abouolia in https://github.com/bigcapitalhq/bigcapital/pull/680
* fix: Branding customize content by @abouolia in https://github.com/bigcapitalhq/bigcapital/pull/681
* feat: Listen to Stripe integration events by @abouolia in https://github.com/bigcapitalhq/bigcapital/pull/682
* feat: Hook up customer/company address to invoice preview of payment page by @abouolia in https://github.com/bigcapitalhq/bigcapital/pull/683


**Full Changelog**: https://github.com/bigcapitalhq/bigcapital/compare/v0.19.17...v0.20.0