Add NeoSolarized guide theme

[thawk]

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Add NeoSolarized statusline theme

Migrate solarized statusline/tabline theme to NeoSolarized, compatibly with terminal and GUI, dark and light background.

[wsdjeg]

Hi, is it same as solarized? if it is you can use

function! SpaceVim#mapping#guide#theme#NeoSolarized#palette() abort
  return SpaceVim#mapping#guide#theme#Solarized#palette()
endfunction

[thawk]

Yes,it's the same. I will update it.

[wsdjeg]

@thawk Thanks

[wsdjeg]

ohh, sorry, I merged it before you squash commits. 😟

[thawk]

Should I create another PR to fix that?

[wsdjeg]

No, I it has been fixed, your commits has been merged. thanks for your PR.