diff --git a/_config.yml b/_config.yml
index fc23081b..d8b65d5c 100644
--- a/_config.yml
+++ b/_config.yml
@@ -2,6 +2,8 @@ url: "https://ethesaurus.holusion.com"
baseurl: ""
title: "eThesaurus"
+toc: true
+
plugins:
- jekyll-sitemap
- jekyll-last-modified-at
diff --git a/_includes/toc.html b/_includes/toc.html
new file mode 100644
index 00000000..3bce4d11
--- /dev/null
+++ b/_includes/toc.html
@@ -0,0 +1,189 @@
+{% capture tocWorkspace %}
+ {% comment %}
+ Copyright (c) 2017 Vladimir "allejo" Jimenez
+
+ Permission is hereby granted, free of charge, to any person
+ obtaining a copy of this software and associated documentation
+ files (the "Software"), to deal in the Software without
+ restriction, including without limitation the rights to use,
+ copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the
+ Software is furnished to do so, subject to the following
+ conditions:
+
+ The above copyright notice and this permission notice shall be
+ included in all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ OTHER DEALINGS IN THE SOFTWARE.
+ {% endcomment %}
+ {% comment %}
+ Version 1.2.1
+ https://github.com/allejo/jekyll-toc
+
+ "...like all things liquid - where there's a will, and ~36 hours to spare, there's usually a/some way" ~jaybe
+
+ Usage:
+ {% include toc.html html=content sanitize=true class="inline_toc" id="my_toc" h_min=2 h_max=3 %}
+
+ Parameters:
+ * html (string) - the HTML of compiled markdown generated by kramdown in Jekyll
+
+ Optional Parameters:
+ * sanitize (bool) : false - when set to true, the headers will be stripped of any HTML in the TOC
+ * class (string) : '' - a CSS class assigned to the TOC
+ * id (string) : '' - an ID to assigned to the TOC
+ * h_min (int) : 1 - the minimum TOC header level to use; any header lower than this value will be ignored
+ * h_max (int) : 6 - the maximum TOC header level to use; any header greater than this value will be ignored
+ * ordered (bool) : false - when set to true, an ordered list will be outputted instead of an unordered list
+ * item_class (string) : '' - add custom class(es) for each list item; has support for '%level%' placeholder, which is the current heading level
+ * submenu_class (string) : '' - add custom class(es) for each child group of headings; has support for '%level%' placeholder which is the current "submenu" heading level
+ * base_url (string) : '' - add a base url to the TOC links for when your TOC is on another page than the actual content
+ * anchor_class (string) : '' - add custom class(es) for each anchor element
+ * skip_no_ids (bool) : false - skip headers that do not have an `id` attribute
+ * flat_toc (bool) : false - when set to true, the TOC will be a single level list
+
+ Output:
+ An ordered or unordered list representing the table of contents of a markdown block. This snippet will only
+ generate the table of contents and will NOT output the markdown given to it
+ {% endcomment %}
+
+ {% capture newline %}
+ {% endcapture %}
+ {% assign newline = newline | rstrip %}
+
+ {% capture deprecation_warnings %}{% endcapture %}
+
+ {% if include.baseurl %}
+ {% capture deprecation_warnings %}{{ deprecation_warnings }}{{ newline }}{% endcapture %}
+ {% endif %}
+
+ {% if include.skipNoIDs %}
+ {% capture deprecation_warnings %}{{ deprecation_warnings }}{{ newline }}{% endcapture %}
+ {% endif %}
+
+ {% capture jekyll_toc %}{% endcapture %}
+ {% assign orderedList = include.ordered | default: false %}
+ {% assign flatToc = include.flat_toc | default: false %}
+ {% assign baseURL = include.base_url | default: include.baseurl | default: '' %}
+ {% assign skipNoIDs = include.skip_no_ids | default: include.skipNoIDs | default: false %}
+ {% assign minHeader = include.h_min | default: 1 %}
+ {% assign maxHeader = include.h_max | default: 6 %}
+ {% assign nodes = include.html | strip | split: '