feat(blog): add file-based blog with dynamic slugs, MDX content and layout shell

- Introduced blog routing using Next.js App Router
- Implemented dynamic [slug] pages for blog posts
- Added MDX-based content loading via lib/posts
- Integrated shared TopBar layout with navigation
- Established clear content, lib and component separation

apps/public-web/node_modules/next/dist/next-devtools/shared/deepmerge.js

@@ -0,0 +1,41 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+Object.defineProperty(exports, "deepMerge", {
+    enumerable: true,
+    get: function() {
+        return deepMerge;
+    }
+});
+function deepMerge(target, source) {
+    if (!source || typeof source !== 'object' || Array.isArray(source)) {
+        return source;
+    }
+    if (!target || typeof target !== 'object' || Array.isArray(target)) {
+        return source;
+    }
+    const result = {
+        ...target
+    };
+    for(const key in source){
+        const sourceValue = source[key];
+        const targetValue = target[key];
+        if (sourceValue !== undefined) {
+            if (sourceValue && typeof sourceValue === 'object' && !Array.isArray(sourceValue) && targetValue && typeof targetValue === 'object' && !Array.isArray(targetValue)) {
+                result[key] = deepMerge(targetValue, sourceValue);
+            } else {
+                result[key] = sourceValue;
+            }
+        }
+    }
+    return result;
+}
+
+if ((typeof exports.default === 'function' || (typeof exports.default === 'object' && exports.default !== null)) && typeof exports.default.__esModule === 'undefined') {
+  Object.defineProperty(exports.default, '__esModule', { value: true });
+  Object.assign(exports.default, exports);
+  module.exports = exports.default;
+}
+
+//# sourceMappingURL=deepmerge.js.map