Initial port-forward implementation for services (#231)

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

dashboard/client/components/+network-services/service-ports.scss

@@ -0,0 +1,24 @@
+.ServicePorts {
+  &.waiting {
+    opacity: 0.5;
+    pointer-events: none;
+  }
+
+  p {
+    &:not(:last-child) {
+      margin-bottom: $margin;
+    }
+
+    span {
+      cursor: pointer;
+      color: $primary;
+      text-decoration: underline;
+    }
+  }
+
+  .Spinner {
+    --spinner-size: #{$unit * 2};
+    margin-left: $margin;
+    position: absolute;
+  }
+}