Added Bootstrap from CDNs

_includes/head.html

@@ -6,6 +6,8 @@
   <link rel="shortcut icon" type="image/png" href="{{ '/assets/favicon.png' | relative_url }}"/>
   <link rel="stylesheet" href="{{ "/assets/main.css" | relative_url }}">
   <link rel="stylesheet" href="{{ '/assets/fontawesome/css/fontawesome-all.min.css' | relative_url }}">
+  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
+
   {%- if jekyll.environment == 'production' and site.google_analytics -%}
     {%- include google-analytics.html -%}
   {%- endif -%}

_includes/scripts.html

+<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
+<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
\ No newline at end of file

_layouts/default.html

@@ -16,5 +16,5 @@
     {%- include footer.html -%}
   </div>
 </body>
-
+{%- include scripts.html -%}
 </html>

_layouts/frozen.html

@@ -17,5 +17,5 @@
 </div>
 
 </body>
-
+{%- include scripts.html -%}
 </html>