[neovim] Add lsp_saga

.config/nvim/lua/plugins/lsp/lsp-saga.lua

@@ -0,0 +1,15 @@
+local status_ok, lsp_saga = pcall(require, "lspsaga")
+if not status_ok then
+	return
+end
+
+lsp_saga.init_lsp_saga({
+	border_style = "rounded",
+	code_action_icon = "",
+	preview_lines_above = 5,
+	max_preview_lines = 15,
+	show_outline = {
+		win_width = 45,
+		auto_preview = false,
+	},
+})