NEXT_PRIVATE_SIGNING_LOCAL_FILE_PATH should have the default value of /opt/documenso/cert.p12

[mnbro]

https://github.com/documenso/documenso/blob/909c38f47e9cc2e852d78ca7f6187d8659d866cf/packages/signing/transports/local-cert.ts#L32

If NEXT_PRIVATE_SIGNING_LOCAL_FILE_PATH is empty the above line determines the default location, so a new/fresh install will fail even if in the documentation is specified the next

[binary-amigo]

Hello, Can you assign this to me. Looking for a first contribution in the org.

[ephraimduncan]

@binary-amigo I'll go ahead and assign this to you

[mnbro]

Code has been changed, so there is no need for this