Nvim: improvements to syntax highlighting and add a couple of plugins

home/.config/nvim/lua/pluginconf/treesitter.lua

@@ -2,5 +2,6 @@ require'nvim-treesitter.configs'.setup {
     ensure_installed = 'maintained',
     highlight = {enable = true},
     indent = {enable = true},
-    incremental_selection = {enable = true}
+    incremental_selection = {enable = true},
+    context_commentstring = {enable = true}
 }

home/.config/nvim/lua/pluginmanager.lua

@@ -20,7 +20,7 @@ require('packer').startup(function()
     use {'wbthomason/packer.nvim', opt = true}
 
     -- Colorscheme
-    use 'monsonjeremy/onedark.nvim'
+    use 'EdenEast/nightfox.nvim'
 
     -- Git in signcolumn
     use 'airblade/vim-gitgutter'
@@ -41,7 +41,7 @@ require('packer').startup(function()
     use 'tpope/vim-fugitive'
 
     -- Indent characters
-    --use "lukas-reineke/indent-blankline.nvim"
+    -- use "lukas-reineke/indent-blankline.nvim"
 
     -- Tree explorer
     use {'kyazdani42/nvim-tree.lua', requires = 'kyazdani42/nvim-web-devicons'}
@@ -64,9 +64,6 @@ require('packer').startup(function()
     -- Install LSP executables
     use 'kabouzeid/nvim-lspinstall'
 
-    -- Extensions for eclipse.jdt.ls
-    use 'mfussenegger/nvim-jdtls'
-
     -- Completion framework
     use 'nvim-lua/completion-nvim'
 
@@ -77,9 +74,18 @@ require('packer').startup(function()
         run = ':TSUpdate'
     }
 
-    -- Syntax highlighting for languages
-    -- that are not supported by treesitter
-    use 'sheerun/vim-polyglot'
+    -- treesitter plugin for commentstring
+    use 'JoosepAlviste/nvim-ts-context-commentstring'
+
+	-- Additional plugins for formats not supported
+	-- by treesitter
+	use 'jamespeapen/swayconfig.vim'
+
+    -- mappings for commenting in code
+    use 'tpope/vim-commentary'
+
+	-- we all know this one
+	use 'tpope/vim-surround'
 
     -- Formatter plugin
     use 'sbdchd/neoformat'

home/.config/nvim/lua/settings.lua

@@ -5,7 +5,7 @@ local cmd = vim.cmd
 ------ Appearance ------
 
 -- Set colorscheme
-require('onedark').setup()
+require('nightfox').set()
 
 -- True colors
 o.termguicolors = true