feat: tech graph

.gitignore

@@ -1,3 +1,6 @@
 _site
 .sass-cache
 *.lock
+node_modules
+.jekyll-cache
+.DS_Store

Gemfile

@@ -1,3 +1,5 @@
 source 'https://rubygems.org'
 
 gemspec
+
+gem "webrick", "~> 1.7"

_layouts/default.html

@@ -10,7 +10,6 @@
     <meta name="msapplication-TileColor" content="#ffffff">
     <meta name="msapplication-TileImage" content="/ms-icon-144x144.png">
     <meta name="theme-color" content="#ffffff">
-    {% seo %}
     <link rel="stylesheet" href="{{ "/assets/css/style.css?v=" | append: site.github.build_revision | relative_url }}">
     <!--[if lt IE 9]>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.min.js"></script>
@@ -51,6 +50,10 @@ <h1><a href="{{ "/" | absolute_url }}">{{ site.title | default: site.github.repo
       </section>
     </div>
     <script src="{{ "/assets/js/scale.fix.js" | relative_url }}"></script>
+    {% if page.g6 %}
+    <script type="text/javascript" src="//cdn.jsdelivr.net/npm/@antv/g6@4.5.2/dist/g6.min.js" charset="utf-8"></script>
+    <script type="text/javascript" src="/assets/js/tree.js" charset="utf-8"></script>
+    {% endif %}
     {% if site.google_analytics %}
     <script>
       (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){