Add pages to list

[stefnotch]

• [x] https://simulator.io/board
• [x] https://kmio.de/logikrechner.html
• [x] https://logigator.com/
• [x] https://github.com/rwutscher-tgm/Micro16_expanded_compiler
• [ ] ~#52~ (not until it is done and tested)

[stefnotch]

Here is another interesting page https://deepdaydreams.github.io/algo-theory/index.html

Probably more interesting for Algodat though

[Fancy11111]

Very nice page, but you are right, where would we even put it?

[stefnotch]

Good enough, let's close this and open a new issue when we find more.