tuc: add page

[GregPK]

The examples are taken from original repo (https://github.com/riquito/tuc), just a shorter list.

• The page(s) are in the correct platform directories: common, linux, osx, windows, sunos, android, etc.
• The page(s) have at most 8 examples.
• The page description(s) have links to documentation or a homepage.
• The page(s) follow the content guidelines.
• The page(s) follow the style guide.
• The PR title conforms to the recommended templates.

[gutjuri]

Thanks! I removed the shell comments that show the commands' outputs -- I don't thinks that we do this in other pages. Apart from that, I added placeholders.

[spageektti]

Hi. Thanks for your contribution. I wish a wonderful christmas time!