feat(highlights): add WinBar* groups (#26)

* add highlights for winbar

* cap

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Co-authored-by: windowsrefund <mtf8>

lua/mellifluous/highlights/general.lua

@@ -110,6 +110,8 @@ function M.set(hl, colors)
     hl.set('Whitespace', { fg = colors.fg5 })                                      -- 'nbsp', 'space', 'tab' and 'trail' in 'listchars'
     hl.set('WinSeparator', { link = 'VertSplit' })                                 -- Separator between window splits. Inherts from |hl-VertSplit| by default, which it will replace eventually.
     hl.set('WildMenu', { link = 'PmenuSel' })                                      -- Current match in 'wildmenu' completion
+    hl.set('WinBar', { link = 'TabLine' })                                         -- Winbar line, current
+    hl.set('WinBarNC', { link = 'TabLine' })                                       -- Winbar line, not current
 
     -- Common vim syntax groups used for all kinds of code and markup.
     -- Commented-out groups should chain up to their preferred (*) group