improving startup time by using lazy loading or filetype loading

lua/custom/snippets/pyhton.lua

@@ -0,0 +1,15 @@
+local ls = require('luasnip')
+
+local s = ls.snippet
+local i = ls.insert_node
+local t = ls.text_node
+
+ls.add_snippets('python', {
+  s('log', {
+    t({ 'LOG.' }),
+    i(1, 'level'),
+    t({ '(' }),
+    i(2, 'message'),
+    t({ ')' }),
+  }),
+})