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/client/components/navigation.react-server.js

@@ -0,0 +1,72 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+0 && (module.exports = {
+    ReadonlyURLSearchParams: null,
+    RedirectType: null,
+    forbidden: null,
+    notFound: null,
+    permanentRedirect: null,
+    redirect: null,
+    unauthorized: null,
+    unstable_isUnrecognizedActionError: null,
+    unstable_rethrow: null
+});
+function _export(target, all) {
+    for(var name in all)Object.defineProperty(target, name, {
+        enumerable: true,
+        get: all[name]
+    });
+}
+_export(exports, {
+    ReadonlyURLSearchParams: function() {
+        return _readonlyurlsearchparams.ReadonlyURLSearchParams;
+    },
+    RedirectType: function() {
+        return _redirecterror.RedirectType;
+    },
+    forbidden: function() {
+        return _forbidden.forbidden;
+    },
+    notFound: function() {
+        return _notfound.notFound;
+    },
+    permanentRedirect: function() {
+        return _redirect.permanentRedirect;
+    },
+    redirect: function() {
+        return _redirect.redirect;
+    },
+    unauthorized: function() {
+        return _unauthorized.unauthorized;
+    },
+    unstable_isUnrecognizedActionError: function() {
+        return unstable_isUnrecognizedActionError;
+    },
+    unstable_rethrow: function() {
+        return _unstablerethrow.unstable_rethrow;
+    }
+});
+const _readonlyurlsearchparams = require("./readonly-url-search-params");
+const _redirect = require("./redirect");
+const _redirecterror = require("./redirect-error");
+const _notfound = require("./not-found");
+const _forbidden = require("./forbidden");
+const _unauthorized = require("./unauthorized");
+const _unstablerethrow = require("./unstable-rethrow");
+function unstable_isUnrecognizedActionError() {
+    throw Object.defineProperty(new Error('`unstable_isUnrecognizedActionError` can only be used on the client.'), "__NEXT_ERROR_CODE", {
+        value: "E776",
+        enumerable: false,
+        configurable: true
+    });
+}
+
+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=navigation.react-server.js.map