Merge pull request #102 from sciml-leeds/update_subscribe_link

Updated subscribe link from Mailchimp to google forms

index.html

@@ -48,7 +48,7 @@
 for an overview). This website serves to organise our work and allow others to
 join us. 
 
-Click here to subscribe to our newsletter: <a href="http://eepurl.com/h65Px5"
+Click here to subscribe to our newsletter: <a href="https://forms.office.com/e/jXNYgRcAfv"
 class="btn btn-primary">SUBSCRIBE!</a>
 
 If you're based at Leeds and would like to join:
@@ -61,7 +61,7 @@
 Institute for Data Analytics), Worsley Building, 11th Floor, room 11.87.
 ([.ics-file download](assets/SciML_community_monthly_coffee-chat.ics) to add
 the event to your calendar). We also organise [seminars and workshops](/events), as well as send out a 
-<a href="http://eepurl.com/h65Px5">monthly newsletter</a>.
+<a href="https://forms.office.com/e/jXNYgRcAfv">monthly newsletter</a>.
 
 View the <a href="https://us10.campaign-archive.com/home/?u=1e7160a87211972265ca1180b&id=79fe3dd86f">SciML newsletter archives here</a>.