Update AllFunders_Intro_to_Shell.md

Activating registration for March workshop.

registrations/AllFunders_Intro_to_Shell.md

@@ -70,13 +70,26 @@ Please make sure you **take the following into account when signing up** for the
 2. _2-3 hours of reading and exercises from selected lessons before each workshop session._
 3. _Active paricipation during discussion sessions._
 
+<!-- This content will not appear in the rendered Markdown -->
+
+<!-- 
 <div style="text-align:center">
 	 <a><button name="button" style = "color: red" >Registration is now closed!</button></a>
 </div>
 
 <div style="text-align:center">
 	 (Registration opens 2 weeks before the start of basic workshops.)
 </div> 
+-->
+
+<div style="text-align:center">
+	 <a><button name="button" style = "color: blue" onclick="location.href='https://harvard.az1.qualtrics.com/jfe/form/SV_8GQl9QNTcxS6TwG'">Click here to Register!</button></a>
+</div>
+
+<div style="text-align:center">
+	 (Please check the eligibility requirements below prior to registering)
+</div>
+
 
 ---