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/lib/find-pages-dir.js

@@ -0,0 +1,65 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+0 && (module.exports = {
+    findDir: null,
+    findPagesDir: null
+});
+function _export(target, all) {
+    for(var name in all)Object.defineProperty(target, name, {
+        enumerable: true,
+        get: all[name]
+    });
+}
+_export(exports, {
+    findDir: function() {
+        return findDir;
+    },
+    findPagesDir: function() {
+        return findPagesDir;
+    }
+});
+const _fs = /*#__PURE__*/ _interop_require_default(require("fs"));
+const _path = /*#__PURE__*/ _interop_require_default(require("path"));
+function _interop_require_default(obj) {
+    return obj && obj.__esModule ? obj : {
+        default: obj
+    };
+}
+function findDir(dir, name) {
+    // prioritize ./${name} over ./src/${name}
+    let curDir = _path.default.join(dir, name);
+    if (_fs.default.existsSync(curDir)) return curDir;
+    curDir = _path.default.join(dir, 'src', name);
+    if (_fs.default.existsSync(curDir)) return curDir;
+    return null;
+}
+function findPagesDir(dir) {
+    const pagesDir = findDir(dir, 'pages') || undefined;
+    const appDir = findDir(dir, 'app') || undefined;
+    if (appDir == null && pagesDir == null) {
+        throw Object.defineProperty(new Error("> Couldn't find any `pages` or `app` directory. Please create one under the project root"), "__NEXT_ERROR_CODE", {
+            value: "E144",
+            enumerable: false,
+            configurable: true
+        });
+    }
+    if (pagesDir && appDir) {
+        const pagesParent = _path.default.dirname(pagesDir);
+        const appParent = _path.default.dirname(appDir);
+        if (pagesParent !== appParent) {
+            throw Object.defineProperty(new Error('> `pages` and `app` directories should be under the same folder'), "__NEXT_ERROR_CODE", {
+                value: "E801",
+                enumerable: false,
+                configurable: true
+            });
+        }
+    }
+    return {
+        pagesDir,
+        appDir
+    };
+}
+
+//# sourceMappingURL=find-pages-dir.js.map