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/get-project-dir.js

@@ -0,0 +1,51 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+Object.defineProperty(exports, "getProjectDir", {
+    enumerable: true,
+    get: function() {
+        return getProjectDir;
+    }
+});
+const _path = /*#__PURE__*/ _interop_require_default(require("path"));
+const _log = require("../build/output/log");
+const _detecttypo = require("./detect-typo");
+const _realpath = require("./realpath");
+const _utils = require("../server/lib/utils");
+function _interop_require_default(obj) {
+    return obj && obj.__esModule ? obj : {
+        default: obj
+    };
+}
+function getProjectDir(dir, exitOnEnoent = true) {
+    const resolvedDir = _path.default.resolve(dir || '.');
+    try {
+        const realDir = (0, _realpath.realpathSync)(resolvedDir);
+        if (resolvedDir !== realDir && resolvedDir.toLowerCase() === realDir.toLowerCase()) {
+            (0, _log.warn)(`Invalid casing detected for project dir, received ${resolvedDir} actual path ${realDir}, see more info here https://nextjs.org/docs/messages/invalid-project-dir-casing`);
+        }
+        return realDir;
+    } catch (err) {
+        if (err.code === 'ENOENT' && exitOnEnoent) {
+            if (typeof dir === 'string') {
+                const detectedTypo = (0, _detecttypo.detectTypo)(dir, [
+                    'build',
+                    'dev',
+                    'info',
+                    'lint',
+                    'start',
+                    'telemetry',
+                    'experimental-test'
+                ]);
+                if (detectedTypo) {
+                    return (0, _utils.printAndExit)(`"next ${dir}" does not exist. Did you mean "next ${detectedTypo}"?`);
+                }
+            }
+            return (0, _utils.printAndExit)(`Invalid project directory provided, no such directory: ${resolvedDir}`);
+        }
+        throw err;
+    }
+}
+
+//# sourceMappingURL=get-project-dir.js.map