[1/4] Refactor: plugins: Add seperate config for each plugins

first commit of Refactor

handle require errors

move config from other places to proper files

don't create a pseudo config function for no reason

https://github.com/siduck76/NvChad/pull/156#issuecomment-881453546

lua/plugins/luasnip.lua

@@ -0,0 +1,18 @@
+local luasnip
+if
+    not pcall(
+        function()
+            luasnip = require "luasnip"
+        end
+    )
+ then
+    return
+end
+
+luasnip.config.set_config(
+    {
+        history = true,
+        updateevents = "TextChanged,TextChangedI"
+    }
+)
+require("luasnip/loaders/from_vscode").load()