latest lsp config with mason and autocomplete

.config/nvim/lua/plugins/mason.lua

@@ -0,0 +1,54 @@
+return {
+    "mason-org/mason-lspconfig.nvim",
+	dependencies = {
+	    {"mason-org/mason.nvim"},
+		{'neovim/nvim-lspconfig'},
+
+		{'nvim-mini/mini.nvim'},
+        {'nvim-mini/mini.completion'},
+	},
+	config = function()
+		require("mason").setup()
+        require("mason-lspconfig").setup {}
+        
+		-- NOTE: this is meant to be backwards compatible with Neovim v0.9
+		---
+		-- Autocompletion
+		---
+
+		require('mini.snippets').setup()
+		require('mini.completion').setup()
+
+		---
+		-- Language server configuration
+		---
+
+		-- These keymaps are the defaults in Neovim v0.10
+		if vim.fn.has('nvim-0.11') == 0 then
+			-- NOTE: vim.diagnostic.goto_* methods are deprecated in v0.11
+			-- that's why we put these under a conditional block
+			vim.keymap.set('n', '[d', '<cmd>lua vim.diagnostic.goto_prev()<cr>')
+			vim.keymap.set('n', ']d', '<cmd>lua vim.diagnostic.goto_next()<cr>')
+			vim.keymap.set('n', '<C-w>d', '<cmd>lua vim.diagnostic.open_float()<cr>')
+			vim.keymap.set('n', '<C-w><C-d>', '<cmd>lua vim.diagnostic.open_float()<cr>')
+		end
+
+		vim.api.nvim_create_autocmd('LspAttach', {
+			callback = function(event)
+				local bufmap = function(mode, rhs, lhs)
+					vim.keymap.set(mode, rhs, lhs, {buffer = event.buf})
+				end
+
+				-- These keymaps are the defaults in Neovim v0.11
+				bufmap('n', 'K', '<cmd>lua vim.lsp.buf.hover()<cr>')
+				bufmap('n', 'grr', '<cmd>lua vim.lsp.buf.references()<cr>')
+				bufmap('n', 'gri', '<cmd>lua vim.lsp.buf.implementation()<cr>')
+				bufmap('n', 'grn', '<cmd>lua vim.lsp.buf.rename()<cr>')
+				bufmap('n', 'gra', '<cmd>lua vim.lsp.buf.code_action()<cr>')
+				bufmap('n', 'gO', '<cmd>lua vim.lsp.buf.document_symbol()<cr>')
+				bufmap({'i', 's'}, '<C-s>', '<cmd>lua vim.lsp.buf.signature_help()<cr>')
+			end,
+		})
+
+    end
+}