added member edit admin ui

needed way to edit existing members info if needed, so simple ui was
created for admins of the site to change specific info, not including a
members avi or password.

also consolidated memeber action and ui into it's own controller for the
sake of clearer organization

public/assets/css/global/forms.css

@@ -46,4 +46,5 @@ select {
   appearance: none;
   color: var(--primary);
   background: var(--secondary);
+  height: 35px;
 }