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/url.js

@@ -0,0 +1,75 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+0 && (module.exports = {
+    isFullStringUrl: null,
+    parseReqUrl: null,
+    parseUrl: null,
+    stripNextRscUnionQuery: null
+});
+function _export(target, all) {
+    for(var name in all)Object.defineProperty(target, name, {
+        enumerable: true,
+        get: all[name]
+    });
+}
+_export(exports, {
+    isFullStringUrl: function() {
+        return isFullStringUrl;
+    },
+    parseReqUrl: function() {
+        return parseReqUrl;
+    },
+    parseUrl: function() {
+        return parseUrl;
+    },
+    stripNextRscUnionQuery: function() {
+        return stripNextRscUnionQuery;
+    }
+});
+const _approuterheaders = require("../client/components/app-router-headers");
+const DUMMY_ORIGIN = 'http://n';
+function isFullStringUrl(url) {
+    return /https?:\/\//.test(url);
+}
+function parseUrl(url) {
+    let parsed = undefined;
+    try {
+        parsed = new URL(url, DUMMY_ORIGIN);
+    } catch  {}
+    return parsed;
+}
+function parseReqUrl(url) {
+    const parsedUrl = parseUrl(url);
+    if (!parsedUrl) {
+        return;
+    }
+    const query = {};
+    for (const key of parsedUrl.searchParams.keys()){
+        const values = parsedUrl.searchParams.getAll(key);
+        query[key] = values.length > 1 ? values : values[0];
+    }
+    const legacyUrl = {
+        query,
+        hash: parsedUrl.hash,
+        search: parsedUrl.search,
+        path: parsedUrl.pathname,
+        pathname: parsedUrl.pathname,
+        href: `${parsedUrl.pathname}${parsedUrl.search}${parsedUrl.hash}`,
+        host: '',
+        hostname: '',
+        auth: '',
+        protocol: '',
+        slashes: null,
+        port: ''
+    };
+    return legacyUrl;
+}
+function stripNextRscUnionQuery(relativeUrl) {
+    const urlInstance = new URL(relativeUrl, DUMMY_ORIGIN);
+    urlInstance.searchParams.delete(_approuterheaders.NEXT_RSC_UNION_QUERY);
+    return urlInstance.pathname + urlInstance.search;
+}
+
+//# sourceMappingURL=url.js.map