Expose Members master view; add CORE link to member tab of profile view

rattail_demo/web/templates/people/view_profile_buefy.mako

@@ -10,5 +10,14 @@
   ${parent.render_customer_panel_buttons(customer)}
 </%def>
 
+<%def name="render_member_panel_buttons(member)">
+  <b-button type="is-primary"
+            tag="a" :href="member.view_corepos_url" target="_blank"
+            :disabled="!member.view_corepos_url">
+    View in CORE Office
+  </b-button>
+  ${parent.render_member_panel_buttons(member)}
+</%def>
+
 
 ${parent.body()}