Initial Vite Configuration & addition of prettierrc.

client/src/App/App.container.jsx

@@ -17,7 +17,7 @@ dayjs.locale("en");
 
 const config = {
     core: {
-        authorizationKey: process.env.REACT_APP_SPLIT_API,
+        authorizationKey: import.meta.env.VITE_APP_SPLIT_API,
         key: "anon",
     },
 };

client/src/App/themeProvider.js

@@ -54,7 +54,7 @@ const devTheme = {
  */
 const prodTheme = {};
 
-const currentTheme = process.env.NODE_ENV === "development" ? devTheme
+const currentTheme = import.meta.env.DEV ? devTheme
     : prodTheme;
 
 const finaltheme = {