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/image-blur-svg.js

@@ -0,0 +1,22 @@
+/**
+ * A shared function, used on both client and server, to generate a SVG blur placeholder.
+ */ "use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+Object.defineProperty(exports, "getImageBlurSvg", {
+    enumerable: true,
+    get: function() {
+        return getImageBlurSvg;
+    }
+});
+function getImageBlurSvg({ widthInt, heightInt, blurWidth, blurHeight, blurDataURL, objectFit }) {
+    const std = 20;
+    const svgWidth = blurWidth ? blurWidth * 40 : widthInt;
+    const svgHeight = blurHeight ? blurHeight * 40 : heightInt;
+    const viewBox = svgWidth && svgHeight ? `viewBox='0 0 ${svgWidth} ${svgHeight}'` : '';
+    const preserveAspectRatio = viewBox ? 'none' : objectFit === 'contain' ? 'xMidYMid' : objectFit === 'cover' ? 'xMidYMid slice' : 'none';
+    return `%3Csvg xmlns='http://www.w3.org/2000/svg' ${viewBox}%3E%3Cfilter id='b' color-interpolation-filters='sRGB'%3E%3CfeGaussianBlur stdDeviation='${std}'/%3E%3CfeColorMatrix values='1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 100 -1' result='s'/%3E%3CfeFlood x='0' y='0' width='100%25' height='100%25'/%3E%3CfeComposite operator='out' in='s'/%3E%3CfeComposite in2='SourceGraphic'/%3E%3CfeGaussianBlur stdDeviation='${std}'/%3E%3C/filter%3E%3Cimage width='100%25' height='100%25' x='0' y='0' preserveAspectRatio='${preserveAspectRatio}' style='filter: url(%23b);' href='${blurDataURL}'/%3E%3C/svg%3E`;
+}
+
+//# sourceMappingURL=image-blur-svg.js.map