Initial Vite Configuration & addition of prettierrc.

client/src/utils/instanceRenderMgr.js

@@ -12,7 +12,7 @@
 export default function InstanceRenderManager({ executeFunction, rome, promanager, imex, debug }) {
   let propToReturn = null;
 
-  switch (process.env.REACT_APP_INSTANCE) {
+  switch (import.meta.env.VITE_APP_INSTANCE) {
     case 'IMEX':
       propToReturn = imex;
       break;