Add samuel's literate keymap file for planck (qmk#4998)

* added my own keymap

* changed thing

* updated keymap Samuel

* updated laypout for better one handed use

* updated stuff I want

* happy with my lagout

* formatting

* Added new literate config

* made everything nice

* cleaned

* fixed spelling and two small bugs in macros

* Made press and lift function for modifiers