Revert "nvim: remove custom statusline"

This reverts commit cfdbdeef6b.

config/nvim/init.vim

@@ -128,3 +128,19 @@ nnoremap U :echo "NOPE!"<CR>
 
 " do not conceal stuff
 set conceallevel=0
+
+" Statusline
+function! s:statusline_builder()
+    let l:buffer     = "[%n]%<%f%m%r "
+    let l:filetype   = "%{len(&filetype) ? '['.&filetype.'] ' : ' '}"
+    let l:git        = "%{exists('g:loaded_fugitive') ? fugitive#statusline() : ''}"
+    let l:coordinate = ' %-12(%l:%c%V%)'
+    let l:position   = ' %P'
+    let l:sep        = '%='
+    let l:fileenc    = "%{strlen(&fenc) ? &fenc : 'none'}"
+    let l:filefmt    = "%{&ff}"
+
+    return l:buffer.l:filetype.l:git.l:sep.l:coordinate.'['.l:fileenc.':'.l:filefmt.']'.l:position
+endfunction
+" set statusline
+let &statusline = s:statusline_builder()