Migrate from @documenso/pdf-sign and @cantoo/pdf-lib to @libpdf/core
for all PDF manipulation and signing operations. This includes:
- New signing transports for Google Cloud KMS and local certificates
- Consolidated PDF operations using libpdf API
- Added TSA (timestamp authority) helper for digital signatures
- Removed deprecated flatten and insert utilities
- Updated tests to use new PDF library
Introduces the ability to use anonymous SMTP authentication where no username or password is provided.
Also introduces a new flag to disable TLS avoiding cases also where STARTTLS is used despite `secure` being
set to `false`
Tidy the docker setup and include a Github Action
for publishing docker containers to DockerHub and
Github Container Registry.
Also add a small README file with docker hosting instructions.
