feat(highlights): add basic highlights for Aerial support (#27)

* basic highlights for Aerial support

* better colors

---------

Co-authored-by: windowsrefund <mtf8>

README.md

@@ -27,6 +27,7 @@ A colorscheme for [Neovim](https://github.com/neovim/neovim). Pleasant and produ
 - [Gitsigns](https://github.com/lewis6991/gitsigns.nvim)
 - [Neorg](https://github.com/nvim-neorg/neorg)
 - [Nvim-notify](https://github.com/rcarriga/nvim-notify)
+- [Aerial](https://github.com/stevearc/aerial.nvim)
 
 ## Installation and usage
 Example with [packer.nvim](https://github.com/wbthomason/packer.nvim):

doc/mellifluous.txt

@@ -28,6 +28,7 @@ Table of Contents                              *mellifluous-table-of-contents*
 - Gitsigns <https://github.com/lewis6991/gitsigns.nvim>
 - Neorg <https://github.com/nvim-neorg/neorg>
 - Nvim-notify <https://github.com/rcarriga/nvim-notify>
+- Aerial <https://github.com/stevearc/aerial.nvim>
 
 
 ==============================================================================

lua/mellifluous/config.lua

@@ -20,6 +20,7 @@ local config = {
         gitsigns = true,
         neorg = true,
         nvim_notify = true,
+        aerial = true,
     },
     dim_inactive = false,
     styles = {

lua/mellifluous/highlights/plugins/aerial.lua

@@ -0,0 +1,9 @@
+local M = {}
+
+function M.set(hl, colors)
+  hl.set("AerialNormal", { fg = colors.fg2 })
+  hl.set("AerialLine", { fg = colors.fg, bg = colors.b4 })
+  hl.set("AerialLineNC", { fg = colors.fg2, bg = colors.bg3 })
+end
+
+return M