improving startup time by using lazy loading or filetype loading

lua/custom/snippets/lua.lua

@@ -0,0 +1,20 @@
+local ls = require 'luasnip'
+
+local s = ls.snippet
+local i = ls.insert_node
+local t = ls.text_node
+
+ls.add_snippets('lua', {
+  s('lr', {
+    t 'local ',
+    i(1, 'module'),
+    t ' = require("',
+    i(2, 'module'),
+    t '")',
+  }),
+  s('pr', {
+    t 'print(',
+    i(1, 'text'),
+    t ')',
+  }),
+})