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/helpers/get-pkg-manager.js

@@ -0,0 +1,63 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+Object.defineProperty(exports, "getPkgManager", {
+    enumerable: true,
+    get: function() {
+        return getPkgManager;
+    }
+});
+const _fs = /*#__PURE__*/ _interop_require_default(require("fs"));
+const _path = /*#__PURE__*/ _interop_require_default(require("path"));
+const _child_process = require("child_process");
+function _interop_require_default(obj) {
+    return obj && obj.__esModule ? obj : {
+        default: obj
+    };
+}
+function getPkgManager(baseDir) {
+    try {
+        for (const { lockFile, packageManager } of [
+            {
+                lockFile: 'yarn.lock',
+                packageManager: 'yarn'
+            },
+            {
+                lockFile: 'pnpm-lock.yaml',
+                packageManager: 'pnpm'
+            },
+            {
+                lockFile: 'package-lock.json',
+                packageManager: 'npm'
+            }
+        ]){
+            if (_fs.default.existsSync(_path.default.join(baseDir, lockFile))) {
+                return packageManager;
+            }
+        }
+        const userAgent = process.env.npm_config_user_agent;
+        if (userAgent) {
+            if (userAgent.startsWith('yarn')) {
+                return 'yarn';
+            } else if (userAgent.startsWith('pnpm')) {
+                return 'pnpm';
+            }
+        }
+        try {
+            (0, _child_process.execSync)('yarn --version', {
+                stdio: 'ignore'
+            });
+            return 'yarn';
+        } catch  {
+            (0, _child_process.execSync)('pnpm --version', {
+                stdio: 'ignore'
+            });
+            return 'pnpm';
+        }
+    } catch  {
+        return 'npm';
+    }
+}
+
+//# sourceMappingURL=get-pkg-manager.js.map