add help blurb for when we don't see info about someone that we should see

src/views/HelpView.vue

@@ -146,6 +146,20 @@
         may also add their public key by adding another comma followed by the
         key.
       </p>
+
+      <h2 class="text-xl font-semibold">
+        I know there is a record from someone, so why can't I see that info?
+      </h2>
+      <p>
+        Sometimes someone else has made claims -- meaning they have given time,
+        or recognized time given, or declared a project -- but you cannot see
+        anything associated with them. The reason may be because they have not
+        given you permission to see their information. Ask them to add you to
+        their contact list and make sure the eye next to your name is open like
+        this
+        <fa icon="eye" class="fa-fw" /> and not closed like this
+        <fa icon="eye-slash" class="fa-fw" />.
+      </p>
     </div>
   </section>
 </template>