don't allow going home unless profile details are complete

src/services/profileService.js

@@ -20,7 +20,19 @@ async function setNym(publicKey, nym) {
   });
 }
 
+async function areProfileDetailsComplete(publicKey) {
+  const isNymSet = await NymSet.findOne({ where: { public_key: publicKey } });
+  const areContactDetailsSet = await ContactDetailsSet.findOne({
+    where: {
+      public_key: publicKey,
+    },
+  });
+
+  return isNymSet && areContactDetailsSet;
+}
+
 module.exports = {
   setContactDetails,
   setNym,
+  areProfileDetailsComplete,
 };