Porting integration to sentry-go repository

[ribice]

@TheZeroSlave would you mind porting this integration to sentry-go (getsentry/sentry-go#340) and we can keep the maintenance there?

Thanks!

[TheZeroSlave]

hi. i wouldn't mind if you do this. just let me know when you complete - readme should be corrected.

[TheZeroSlave]

@ribice hi. so what is the status?

[ribice]

@TheZeroSlave getsentry/sentry-go#958