add MSvB HW Design to Services

* add MSvB HW Design to Services closes #375

_data/merchants.yml

@@ -124,6 +124,8 @@
       url: http://www.guitartheoryrevolution.info/blog/guitar-theory-revolution-store/
     - name: Infield Loan Services - Atlanta, Construction Consulting, Contract review, Feasibility, Funds Escrow
       url: mailto:[email protected]
+    - name: MSvB Hardware Design (using a secure element)
+      url: mailto:[email protected]?subject=Monero%20Services%20Hardware%20Design%20Request
     - name: MyMonero Web-based Wallet
       url: https://mymonero.com
     - name: Nerdzy Lawn Care