INT-1775: Add link to privacy policy on Privacy Preferences screen (#461)

(cherry picked from commit 5813b8c)

Author: kangas

src/app/network-optin/index.jade

@@ -37,7 +37,11 @@
                 span Enable Automatic Updates
               p.option-description Allow Compass to periodically check for new updates.
 
-        p With any of these options, none of your personal information or stored data will be submitted.
+        p
+          | With any of these options, none of your personal information or stored data will be submitted.
+          br
+          | Learn more: 
+          a(href='https://www.mongodb.com/legal/privacy-policy') MongoDB Privacy Policy
 
       .modal-footer
         button.btn.btn-primary(type='button', data-dismiss='modal', data-hook='start-button')