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/build/webpack/cache-invalidation.js

@@ -0,0 +1,91 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+0 && (module.exports = {
+    checkFileSystemCacheInvalidationAndCleanup: null,
+    invalidateFileSystemCache: null
+});
+function _export(target, all) {
+    for(var name in all)Object.defineProperty(target, name, {
+        enumerable: true,
+        get: all[name]
+    });
+}
+_export(exports, {
+    checkFileSystemCacheInvalidationAndCleanup: function() {
+        return checkFileSystemCacheInvalidationAndCleanup;
+    },
+    invalidateFileSystemCache: function() {
+        return invalidateFileSystemCache;
+    }
+});
+const _promises = /*#__PURE__*/ _interop_require_default(require("node:fs/promises"));
+const _nodepath = /*#__PURE__*/ _interop_require_default(require("node:path"));
+function _interop_require_default(obj) {
+    return obj && obj.__esModule ? obj : {
+        default: obj
+    };
+}
+const INVALIDATION_MARKER = '__nextjs_invalidated_cache';
+async function invalidateFileSystemCache(cacheDirectory) {
+    let file;
+    try {
+        // We're just opening it so that `open()` creates the file.
+        file = await _promises.default.open(_nodepath.default.join(cacheDirectory, INVALIDATION_MARKER), 'w');
+    // We don't currently write anything to the file, but we could choose to
+    // later, e.g. a reason for the invalidation.
+    } catch (err) {
+        // it's valid for the cache to not exist at all
+        if (err.code !== 'ENOENT') {
+            throw err;
+        }
+    } finally{
+        file == null ? void 0 : file.close();
+    }
+}
+async function checkFileSystemCacheInvalidationAndCleanup(cacheDirectory) {
+    const invalidated = await _promises.default.access(_nodepath.default.join(cacheDirectory, INVALIDATION_MARKER)).then(()=>true, ()=>false);
+    if (invalidated) {
+        await cleanupFileSystemCache(cacheDirectory);
+    }
+}
+/**
+ * Helper for `checkFileSystemCacheInvalidationAndCleanup`. You can call this to
+ * explicitly clean up a database after running `invalidateFileSystemCache` when
+ * webpack is not running.
+ *
+ * You should not run this if the cache has not yet been invalidated, as this
+ * operation is not atomic and could result in a partially-deleted and corrupted
+ * database.
+ */ async function cleanupFileSystemCache(cacheDirectory) {
+    try {
+        await cleanupFileSystemCacheInner(cacheDirectory);
+    } catch (e) {
+        // generate a user-friendly error message
+        throw Object.defineProperty(new Error(`Unable to remove an invalidated webpack cache. If this issue persists ` + `you can work around it by deleting ${cacheDirectory}`, {
+            cause: e
+        }), "__NEXT_ERROR_CODE", {
+            value: "E710",
+            enumerable: false,
+            configurable: true
+        });
+    }
+}
+async function cleanupFileSystemCacheInner(cacheDirectory) {
+    const files = await _promises.default.readdir(cacheDirectory);
+    // delete everything except the invalidation marker
+    await Promise.all(files.map((name)=>name !== INVALIDATION_MARKER ? _promises.default.rm(_nodepath.default.join(cacheDirectory, name), {
+            force: true,
+            recursive: true,
+            maxRetries: 2
+        }) : null));
+    // delete the invalidation marker last, once we're sure everything is cleaned
+    // up
+    await _promises.default.rm(_nodepath.default.join(cacheDirectory, INVALIDATION_MARKER), {
+        force: true,
+        maxRetries: 2
+    });
+}
+
+//# sourceMappingURL=cache-invalidation.js.map