add mason plugin for managing lsp servers and dependencies

coc-settings.json

@@ -75,6 +75,10 @@
       "command": "bash-language-server",
       "args": ["start"],
       "filetypes": ["sh"]
+    },
+    "kotlin": {
+      "command": "kotlin-language-server",
+      "filetypes": ["kotlin"]
     }
   },
   "git.enableGutters": true

init.vim

@@ -4,7 +4,12 @@ call plug#begin()
 Plug 'kyazdani42/nvim-web-devicons' " optional, for file icons
 Plug 'kyazdani42/nvim-tree.lua'
 
+" neovim lsp plugins 
 Plug 'neovim/nvim-lspconfig'
+Plug 'williamboman/mason.nvim'
+Plug 'williamboman/mason-lspconfig.nvim'
+Plug 'jose-elias-alvarez/null-ls.nvim'
+
 Plug 'vim-perl/vim-perl', { 'for': 'perl', 'do': 'make clean carp dancer highlight-all-pragmas moose test-more try-tiny' }
 Plug 'neoclide/coc.nvim', {'branch': 'release'}
 Plug 'preservim/nerdcommenter'
@@ -31,7 +36,7 @@ Plug 'bluz71/vim-moonfly-colors'
 Plug 'nvim-lua/plenary.nvim'
 Plug 'nvim-telescope/telescope.nvim', { 'branch': '0.1.x' }
 Plug 'BurntSushi/ripgrep'
-Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'}
+"Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'}
 
 call plug#end()
 

lua/general.lua

@@ -2,10 +2,33 @@
 vim.g.loaded = 1
 vim.g.loaded_netrwPlugin = 1
 
--- load perl lsp 
-require('lspconfig').perlpls.setup{}
+-- load lsp stuff
+require("mason").setup()
+require("mason-lspconfig").setup()
+require("null-ls").setup({
+    sources = {
+        require("null-ls").builtins.formatting.stylua,
+        require("null-ls").builtins.diagnostics.eslint,
+        require("null-ls").builtins.completion.spell,
+    },
+})
+
+
+-- load perl lsp 
+local config = {
+  cmd = { 'pls' }, -- complete path to where PLS is located
+  settings = {
+    pls = {
+      --inc = { '/my/perl/5.34/lib', '/some/other/perl/lib' },  -- add list of dirs to @INC
+      --cwd = { '/my/projects' },   -- working directory for PLS
+      perlcritic = { enabled = true },  -- use perlcritic and pass a non-default location for its config
+      syntax = { enabled = true, perl = '/usr/bin/perl' }, -- enable syntax checking and use a non-default perl binary
+      --perltidy = { perltidyrc = '/my/projects/.perltidyrc' } -- non-default location for perltidy's config
+    }
+  }
+}
+require'lspconfig'.perlpls.setup(config)
 
--- OR setup with some options
 require("nvim-tree").setup({
     create_in_closed_folder = true,
     hijack_cursor = true,