Normacos update (#3141)

Normacos update (#3141)

* Cheers let's split keymap

* fixed typo on norman layer of cheers keymap for let's split

* fixed right handed mappings for home row

* cheers keymap for let's split redefinition

* updated Cheers keymap for let's split

* cheers keymap for let's split updated with some terminal macros

* renamed cheers let's split keymap to a more appropriate normacos

* updated normacos keymap doc / removed non functional keys

* reset let's split rules to default values

* added more spotlight search macros

* normalized keymap comments

* Moved numpad on lower layer

* updated normacos layout and fixed some readme typos

* removed leftover merge diff

* added waits to macros that make use of SEND_STRING

* fixed wrong waits on macros that use SEND_STRING

* normalized macro comments after adding waits