Testing CTRVerticalTextView

Basic code seems to work.
Going to refactor it now for my own purposes.

But committing this code as is….

See https://github.com/hokuron/CTRVerticalTextView

Signed-off-by: Ippoippo <ippoippo_software@ippoippo.net>
Merge branch 'refs/heads/test_hokuron_CTRVerticalTextView_code'