Is your feature request related to a problem? Please describe

Currently the tux client doesn't comply with the client specifications
https://github.com/tldr-pages/tldr/blob/main/CLIENT-SPECIFICATION.md
Mainly, tux doesn't remove the placeholder curly braces. This ends with the output looking cluttered

Example:

Describe the solution you'd like

Remove the placeholder curly braces, highlight the contents of the placeholders with an underline for example and default to showing only longform options.