add linter and formatting support

config/nvim/lua/aleidk/plugins/formatter.lua

@@ -0,0 +1,22 @@
+return {
+	"stevearc/conform.nvim",
+	opts = {
+		formatters_by_ft = {
+			-- Conform will run multiple formatters sequentially
+			lua = { "stylua" },
+			python = { "black" },
+			-- Use a sub-list to run only the first available formatter
+			javascript = { { "prettierd", "prettier" } },
+			typescript = { { "prettierd", "prettier" } },
+			javascriptreact = { { "prettierd", "prettier" } },
+			typescriptreact = { { "prettierd", "prettier" } },
+			-- Use the "_" filetype to run formatters on filetypes that don't
+			-- have other formatters configured.
+			["_"] = { "trim_whitespace" },
+		},
+		format_on_save = {
+			timeout_ms = 500,
+			lsp_fallback = true,
+		},
+	},
+}