Minimize JSON data (#1449)

* Remove Lunr trimmer & bring back colons

* Add Greek Stemmer

* Translate search_placeholder_text and results_found to Greek

* Minimize JSON data

* Truncate Words

* Move store variable into a new file

* Move Lunr files into a new folder

* Add defer to lunr scripts

* Add search_full_content switch

assets/js/lunr/lunr-store.js

@@ -0,0 +1,36 @@
+---
+layout: null
+---
+
+var store = [
+  {% for c in site.collections %}
+    {% if forloop.last %}
+      {% assign l = true %}
+    {% endif %}
+    {% assign docs = c.docs | where_exp:'doc','doc.search != false' %}
+    {% for doc in docs %}
+      {% if doc.header.teaser %}
+        {% capture teaser %}{{ doc.header.teaser }}{% endcapture %}
+      {% else %}
+        {% assign teaser = site.teaser %}
+      {% endif %}
+      {
+        "title": {{ doc.title | jsonify }},
+        "excerpt":
+          {% if site.search_full_content == true %}
+            {{ doc.content | strip_html | strip_newlines | jsonify }},
+          {% else %}
+            {{ doc.content | strip_html | strip_newlines | truncatewords: 50 | jsonify }},
+          {% endif %}
+        "categories": {{ doc.categories | jsonify }},
+        "tags": {{ doc.tags | jsonify }},
+        "url": {{ doc.url | absolute_url | jsonify }},
+        "teaser":
+          {% if teaser contains "://" %}
+            {{ teaser | jsonify }}
+          {% else %}
+            {{ teaser | absolute_url | jsonify }}
+          {% endif %}
+      }{% unless forloop.last and l %},{% endunless %}
+    {% endfor %}
+  {% endfor %}]