Added drawio support.

Author: RossBugginsNHS

docs/Gemfile

@@ -16,6 +16,7 @@ gem "minima", "~> 2.5"
 # If you have any plugins, put them here!
 group :jekyll_plugins do
   gem "jekyll-feed", "~> 0.12"
+  gem "jekyll-drawio"
 end
 
 # Windows and JRuby does not include zoneinfo files, so bundle the tzinfo-data gem

docs/user-guides/assets/test.drawio

@@ -0,0 +1,25 @@
+<mxfile host="65bd71144e">
+    <diagram id="fvhcl42C104IOaEjqJng" name="Page-1">
+        <mxGraphModel dx="1668" dy="463" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="850" pageHeight="1100" math="0" shadow="0">
+            <root>
+                <mxCell id="0"/>
+                <mxCell id="1" parent="0"/>
+                <mxCell id="5" style="edgeStyle=none;html=1;exitX=1;exitY=0.5;exitDx=0;exitDy=0;" edge="1" parent="1" source="2" target="3">
+                    <mxGeometry relative="1" as="geometry"/>
+                </mxCell>
+                <mxCell id="2" value="Item 1" style="rounded=0;whiteSpace=wrap;html=1;" parent="1" vertex="1">
+                    <mxGeometry x="90" y="100" width="120" height="60" as="geometry"/>
+                </mxCell>
+                <mxCell id="6" style="edgeStyle=none;html=1;exitX=1;exitY=0.5;exitDx=0;exitDy=0;" edge="1" parent="1" source="3" target="4">
+                    <mxGeometry relative="1" as="geometry"/>
+                </mxCell>
+                <mxCell id="3" value="Item 2" style="rounded=0;whiteSpace=wrap;html=1;" parent="1" vertex="1">
+                    <mxGeometry x="270" y="100" width="120" height="60" as="geometry"/>
+                </mxCell>
+                <mxCell id="4" value="Item 3" style="rounded=0;whiteSpace=wrap;html=1;" vertex="1" parent="1">
+                    <mxGeometry x="470" y="100" width="120" height="60" as="geometry"/>
+                </mxCell>
+            </root>
+        </mxGraphModel>
+    </diagram>
+</mxfile>

docs/user-guides/drawio.md

@@ -0,0 +1,19 @@
+---
+layout: default
+title: Draw IO
+parent: User Guides
+
+---
+## Using Draw io
+
+Reference a drawio file by:
+
+{% raw %}
+
+```text
+{% drawio path="./user-guides/assets/test.drawio" page_number=0 height=400 %}
+```
+
+{% endraw %}
+
+{% drawio path="./user-guides/assets/test.drawio" page_number=0 height=400 %}