moved mason to its own file

lua/plugins/mason.lua

@@ -0,0 +1,42 @@
+return {
+  'williamboman/mason.nvim',
+  dependencies = {
+    'williamboman/mason-lspconfig.nvim',
+    'WhoIsSethDaniel/mason-tool-installer.nvim',
+  },
+  build = ':MasonUpdate',
+  branch = 'master',
+  config = function()
+    require('mason').setup({
+      ui = {
+        border = 'rounded',
+      },
+    })
+    require('mason-lspconfig').setup({
+      automatic_installation = false,
+      ensure_installed = {
+        'clangd',
+        'basedpyright',
+        -- 'neocmake',
+        'efm',
+        'lua_ls',
+        'jsonls',
+        'markdown_oxide',
+      },
+    })
+    require('mason-tool-installer').setup({
+
+      -- a list of all tools you want to ensure are installed upon
+      -- start
+      ensure_installed = {
+        'black',
+        'flake8',
+        'isort',
+        'prettier',
+        'stylua',
+        'gersemi',
+        'cmakelang',
+      },
+    })
+  end,
+}