[nvim] feat: improve snippets

exit on the next line

.config/nvim/lua/plugin/luasnip.lua

@@ -433,7 +433,7 @@ ls.snippets = {
 			i(1),
                         t({ "" }),
 			d(2, rec_ls, {}),
-			t({ "", "\\end{itemize}" }),
+			t({ "", "\\end{itemize}", "" }),
 		}),
                 s("frm", {
                         t({ "\\begin{" }),
@@ -448,7 +448,7 @@ ls.snippets = {
                         i(0),
                         t({ "", "\\end{" }),
                         f(copy, 1),
-                        t({ "}" }),
+                        t({ "}", "" }),
                 }),
                 s("rmk", {
                         t({ "\\begin{rmk}" }),