add mason plugin for managing lsp servers and dependencies

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,