add better completion with Buffer and path completion

Add 80 characters line
add path completion source

better Readability and overall

error/telescope search errors

Some other quality of life shortcuts having to do with copying and
pastinga, moving lines renaming stuff, making a script directly
executable

updating some options

not yet installed

of problem with motions

Improved colorscheme file with only a selection and added a colorscheme config, added erb lint in null-ls