Log Message:
www/wiki-tui: update to 0.5.1

What's Changed
Exciting New Features
  Add toc position setting by @Builditluc in #65
  Add more toc settings by @Builditluc in #66

Bug Fixes
  Fix toc not having scrollbars by @Builditluc in #64
  Fix Word Spacing by @Builditluc in #68
  Fix the crash that occurs when no links or headers exist by @Builditluc in #70