feat: plugin support nvim-treesitter-context

fixed #184

In this commit I also updated 'hrsh7th/nvim-cmp' Abbrs highlights
for light themes.

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 - feat: plugin support [sindrets/diffview.nvim](https://github.com/sindrets/diffview.nvim) fixed #182
+- feat: plugin support [nvim-treesitter/nvim-treesitter-context](https://github.com/nvim-treesitter/nvim-treesitter-context) fixed #184
 
 ### Fixes
 

README.md

@@ -159,6 +159,7 @@ set -as terminal-overrides ',*:Setulc=\E[58::2::%p1%{65536}%/%d::%p1%{256}%/%{25
 [rcarriga/nvim-notify](https://github.com/rcarriga/nvim-notify) ·
 [kyazdani42/nvim-tree.lua](https://github.com/kyazdani42/nvim-tree.lua) ·
 [nvim-treesitter/nvim-treesitter](https://github.com/nvim-treesitter/nvim-treesitter) ·
+[nvim-treesitter/nvim-treesitter-context](https://github.com/nvim-treesitter/nvim-treesitter-context) ·
 [kyazdani42/nvim-web-devicons](https://github.com/kyazdani42/nvim-web-devicons) ·
 [nvim-telescope/telescope.nvim](https://github.com/nvim-telescope/telescope.nvim) ·
 [airblade/vim-gitgutter](https://github.com/airblade/vim-gitgutter) ·

lua/github-theme/theme.lua

@@ -461,7 +461,9 @@ theme.setup = function(cfg)
     CmpDocumentationBorder = { links = 'FloatBorder' },
     CmpItemAbbrDeprecated = { fg = c.syntax.comment, style = 'strikethrough' },
     CmpItemAbbrMatch = { fg = c.blue },
+    CmpItemAbbrDefault = { fg = c.fg_light },
     CmpItemAbbrMatchFuzzy = { link = 'CmpItemAbbrMatch' },
+    CmpItemMenuDefault = { link = 'CmpItemAbbrDefault' },
 
     -- Cmp Item Kind
     CmpItemKindColorDefault = { fg = c.bright_red },
@@ -552,6 +554,9 @@ theme.setup = function(cfg)
     DiffDelete = { fg = c.diff.delete_fg, bg = c.diff.delete },
     DiffText = { link = 'DiffChange' },
     DiffviewFilePanelFileName = { fg = c.fg_light },
+
+    -- nvim-treesitter-context
+    TreesitterContext = { bg = vim.o.background == 'light' and util.lighten(c.blue, 0.9) or util.darken(c.blue, 0.2) },
   }
 
   if cfg.hide_inactive_statusline then