refactor: restructure init.lua to use lazy plugin manager and add lsp configurations

lua/plugins/format.lua

@@ -0,0 +1,37 @@
+return {
+	"stevearc/conform.nvim",
+	dependencies = { "zapling/mason-conform.nvim" },
+	event = "BufWritePre",
+	cmd = "ConformInfo",
+	keys = { "<leader>tf" },
+	config = function()
+		require("conform").setup({
+			formatters_by_ft = {
+				lua = { "stylua" },
+				python = { "black" },
+				["_"] = { "trim_whitespace" },
+			},
+			format_after_save = function(bufnr)
+				if not vim.b[bufnr].conform_disable then
+					return {
+						lsp_format = "fallback",
+					}
+				end
+			end,
+		})
+
+		vim.keymap.set("n", "<leader>tf", function()
+			vim.b.conform_disable = not vim.b.conform_disable
+			local status = vim.b.conform_disable and "disabled" or "enabled"
+			vim.notify("Autoformat " .. status, vim.log.levels.INFO)
+		end)
+		require("mason-conform").setup({
+			ensure_installed = {
+				"black",
+				"stylua",
+				"prettier",
+			},
+			automatic_installation = true,
+		})
+	end,
+}