Update contact.md

docs/open-asset-model/contact.md

@@ -1,29 +1,30 @@
 ``` mermaid
 flowchart TD
-Contact[("Contact Assets")]
+Contact[("fa:fa-comment Contact Assets")]
 
-Email(Email)
-Location(Location)
-Phone(Phone)
+Email("fa:fa-envelope Email")
+Location("fa:fa-location-dot Location")
+Phone("fa:fa-phone Phone")
 
 Email ==> Contact
 Location ==> Contact
 Phone ==> Contact
 
-Person([Person])
-Organization([Organization])
-TLSCertificate(["TLS Certificate"])
-Registrar([Registrar])
-Whois[(Whois)]
+Person(["fa:fa-user Person"])
+Organization(["fa:fa-building Organization"])
+TLSCertificate(["fa:fa-lock TLS Certificate"])
+Registrar(["fa:fa-folder Registrar"])
+Whois[("fa:fa-globe Whois")]
+
+
+whoisEmail@{shape: subproc, label: "admin_email
+tech_email
+billing_email
+registrant_email" }
+
+
 
 
- subgraph whoisEmail["fa:fa-globe"]
-        direction RL
-        adminLocation([admin_email])
-        techEmail([tech_email])
-        billingEmail([billing_email])
-        registrantEmail([registrant_email])
-    end
 
 whoisEmail --> Email
 Whois --> whoisEmail