Log Message:
devel/ruby-tty-reader: update to 0.9.0

pkgsrc change: update HOMEPAGE to https://ttytoolkit.org/.

## [v0.9.0] - 2020-12-08

### Added
* Add buffer to save input when traversing history and restore it back
  similar to shell

### Changed
* Pressing :down no longer erases the #read_line input if history is disabled by \ 
Charles Pence (@pencechp)
* Change Reader initializer to use keyword arguments in place of options hash
* Change history to only exclude empty lines without any space or invisible \ 
characters
* Change all input reading methods to use explicit keyword arguments

### Fix
* Fix #read_multiline :value parameter to insert content only once in the first line