added various plugins to customize my nvim experience

after/plugin/lsp.lua

@@ -0,0 +1,66 @@
+local lsp = require("lsp-zero")
+
+lsp.preset("recommended")
+
+require('mason').setup({})
+require('mason-lspconfig').setup({
+	ensure_installed = {'tsserver', 'rust_analyzer', 'lua_ls'},
+	handlers = {
+		lsp.default_setup
+	}
+})
+
+local cmp = require('cmp')
+
+local cmp_select = {behavior = cmp.SelectBehavior.Select}
+local cmp_mappings = lsp.defaults.cmp_mappings({
+})
+
+cmp_mappings['<Tab>'] = nil
+cmp_mappings['<S-Tab>'] = nil
+
+cmp.setup({
+	window = {
+		completion = cmp.config.window.bordered(),
+		documentation = cmp.config.window.bordered()
+	},
+	mapping = cmp.mapping.preset.insert({
+		['<C-p>'] = cmp.mapping.select_prev_item(cmp_select),
+		['<C-n>'] = cmp.mapping.select_next_item(cmp_select),
+		['<C-y>'] = cmp.mapping.confirm({ select = true }),
+		['<C-Space>'] = cmp.mapping.complete(),
+		['<Tab>'] = nil,
+		['<S-Tab>'] = nil
+	})
+})
+
+lsp.set_preferences({
+	suggest_lsp_servers = false,
+	sign_icons = {
+		error = 'E',
+		warn = 'W',
+		hint = 'H',
+		info = 'I'
+	}
+})
+
+lsp.on_attach(function(client, bufnr)
+	local opts = {buffer = bufnr, remap = false}
+
+	vim.keymap.set("n", "gd", function() vim.lsp.buf.definition() end, opts)
+	vim.keymap.set("n", "K", function() vim.lsp.buf.hover() end, opts)
+	vim.keymap.set("n", "<leader>vws", function() vim.lsp.buf.workspace_symbol() end, opts)
+	vim.keymap.set("n", "<leader>vd", function() vim.diagnostic.open_float() end, opts)
+	vim.keymap.set("n", "[d", function() vim.diagnostic.goto_next() end, opts)
+	vim.keymap.set("n", "]d", function() vim.diagnostic.goto_prev() end, opts)
+	vim.keymap.set("n", "<leader>vca", function() vim.lsp.buf.code_action() end, opts)
+	vim.keymap.set("n", "<leader>vrr", function() vim.lsp.buf.references() end, opts)
+	vim.keymap.set("n", "<leader>vrn", function() vim.lsp.buf.rename() end, opts)
+	vim.keymap.set("i", "<C-h>", function() vim.lsp.buf.signature_help() end, opts)
+end)
+
+lsp.setup()
+
+vim.diagnostic.config({
+	virtual_text = true
+})