Add base files for new Jekyll site setup

Introduced initial setup for a Jekyll-based site, including configurations, layouts, assets, and styles. Added custom 404 page, favicon assets, SCSS themes, fonts, and a blog post template to establish the foundation for the site.

assets/search.json

@@ -0,0 +1,15 @@
+---
+layout: none
+---
+
+[
+  {% for post in site.posts %}
+    {
+      "title"    : "{{ post.title | escape }}",
+      "description" : "{{ post.description | escape }}",
+      "tags"     : "{{ post.tags | join: ', ' }}",
+      "url"      : "{{ site.baseurl }}{{ post.url }}",
+      "date"     : "{{ post.date }}"
+    } {% unless forloop.last %},{% endunless %}
+  {% endfor %}
+]