WIP Profile settings page

Show the user's user address, and provide a button for copying it to the
clipboard

app/assets/stylesheets/components/buttons.css

@@ -11,7 +11,11 @@
 
   .btn-sm {
     @apply btn;
-    @apply py-1 px-2 text-sm shadow-sm;
+    @apply py-1 px-2 text-sm;
+  }
+
+  .btn-icon {
+    @apply px-3;
   }
 
   .btn-gray {
@@ -28,4 +32,8 @@
     @apply bg-red-600 hover:bg-red-700 text-white
            focus:ring-red-500 focus:ring-opacity-75;
   }
+
+  input[type=text]:disabled {
+    @apply text-gray-700;
+  }
 }