Add hot-update files for layout and webpack with eval-source-map configuration

- Created multiple hot-update JavaScript files for app layout and webpack.
- Each file includes a warning about the use of "eval-source-map" for development purposes.
- Added source mapping for CSS files in the app layout.
- Generated corresponding hot-update JSON files to manage module updates.

app/frontend/.next/static/webpack/webpack.967fdab0491775b0.hot-update.js

@@ -0,0 +1,18 @@
+"use strict";
+/*
+ * ATTENTION: An "eval-source-map" devtool has been used.
+ * This devtool is neither made for production nor for readable output files.
+ * It uses "eval()" calls to create a separate source file with attached SourceMaps in the browser devtools.
+ * If you are trying to read the output file, select a different devtool (https://webpack.js.org/configuration/devtool/)
+ * or disable the default devtool with "devtool: false".
+ * If you are looking for production-ready output files, see mode: "production" (https://webpack.js.org/configuration/mode/).
+ */
+self["webpackHotUpdate_N_E"]("webpack",{},
+/******/ function(__webpack_require__) { // webpackRuntimeModules
+/******/ /* webpack/runtime/getFullHash */
+/******/ !function() {
+/******/ 	__webpack_require__.h = function() { return "4eb479ef55b44eec"; }
+/******/ }();
+/******/ 
+/******/ }
+);