Finally modularize neovim configuration

lua/plugins/formatting.lua

@@ -0,0 +1,31 @@
+-- Formatting plugins
+
+return {
+	{
+		"stevearc/conform.nvim",
+		setup = {
+			formatters = {
+				black = {
+					command = "black",
+					prepend_args = { "--line-length", "100" },
+				},
+			},
+		},
+		opts = {
+			notify_on_error = false,
+			format_on_save = {
+				timeout_ms = 500,
+				lsp_fallback = false,
+			},
+			formatters_by_ft = {
+				lua = { "stylua" },
+				python = { "black" },
+				cpp = { "clang-format" },
+				c = { "clang-format" },
+				sh = { "beautysh" },
+				tex = { "latexindent" },
+				java = { "java" },
+			},
+		},
+	},
+}