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/shared/lib/deployment-id.js

@@ -0,0 +1,36 @@
+// This could also be a variable instead of a function, but some unit tests want to change the ID at
+// runtime. Even though that would never happen in a real deployment.
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+0 && (module.exports = {
+    getDeploymentId: null,
+    getDeploymentIdQueryOrEmptyString: null
+});
+function _export(target, all) {
+    for(var name in all)Object.defineProperty(target, name, {
+        enumerable: true,
+        get: all[name]
+    });
+}
+_export(exports, {
+    getDeploymentId: function() {
+        return getDeploymentId;
+    },
+    getDeploymentIdQueryOrEmptyString: function() {
+        return getDeploymentIdQueryOrEmptyString;
+    }
+});
+function getDeploymentId() {
+    return process.env.NEXT_DEPLOYMENT_ID;
+}
+function getDeploymentIdQueryOrEmptyString() {
+    let deploymentId = getDeploymentId();
+    if (deploymentId) {
+        return `?dpl=${deploymentId}`;
+    }
+    return '';
+}
+
+//# sourceMappingURL=deployment-id.js.map