Add plugin install example to plugin install page

i2p2www/pages/site/docs/plugins.html

@@ -18,6 +18,27 @@ clients, distributed file storage, wikis, and more.
 Benefits to i2p users and app developers:
 {%- endtrans %}</p>
 
+<h3>{% trans -%}Easy Installation of Applications{%- endtrans %}</h3>
+<p>{% trans -%}
+I2P Plugins can be installed by copying the plugin download URL onto
+the appropriate section on the <a href="http://127.0.0.1:7657/configplugins">Router Console Plugin Configuration Page</a>.
+{%- endtrans %}</p>
+
+<p>{% trans -%}
+Start by copying the plugin URL from the page where it is published.
+{%- endtrans %}</p>
+<img src="/_static/images/plugins/plugin-step-0.png">
+
+<p>{% trans -%}
+Then visit the plugin configuration page, which you can find linked on the console homepage.
+{%- endtrans %}</p>
+<img src="/_static/images/plugins/plugin-step-1.png">
+
+<p>{% trans -%}
+Paste in the URL and click the "Install Plugin" button.
+{%- endtrans %}</p>
+<img src="/_static/images/plugins/plugin-step-2.png">
+
 <ul>
 <li>{% trans -%}
 Easy distribution of applications