Add switch to tab command to options page command list

Author: ZMYaro

extension/options.html

@@ -55,6 +55,10 @@ <h3>Help</h3>
 					<img src="images/calc.png" alt="Calculate" />
 					<p>&ldquo;<b>Calculate</b> 1 + 1&rdquo;</p>
 				</li>
+				<li>
+					<img src="images/tabs.png" alt="Tabs" />
+					<p>&ldquo;<b>Switch to</b> [tab]&rdquo;</p>
+				</li>
 				<li>
 					<img src="images/search.png" alt="Search" />
 					<p>Or just search for anything</p>