Added explanatory title tags to bottom pushButtons

_layouts/rule.html

@@ -445,9 +445,12 @@ Created with [CommunityRule](https://communityrule.info)
   
   </div><!--#rulebox-->
 
-  <button class="pushButton" id="publishRule" onclick="publishRule()">Publish</button>
-  <button class="pushButton" id="toggleDisplayMode" onclick="toggleDisplayMode()">Fork</button>
-  <button class="pushButton" onclick="textOutput()">Export</button>
+  <button class="pushButton" id="publishRule" onclick="publishRule()"
+    title="Add to the public Library">Publish</button>
+  <button class="pushButton" id="toggleDisplayMode" onclick="toggleDisplayMode()"
+    title="Edit this Rule into a new one">Fork</button>
+  <button class="pushButton" onclick="textOutput()"
+    title="Download this Rule as a Markdown text file">Export</button>
   <button class="pushButton" id="trash" onclick="deleteRule()">
     <img src="{% link assets/tabler_icons/trash.svg %}" title="Rule deletion request" />
   </button>