Improvements after release (#45)

* Add helm version requirement notes

* Create Help section, no charts placeholder

* Revive missed "user-defined" values

* Fix namespace undefined upon install

* cosmetics

pkg/dashboard/static/list-view.js

@@ -12,6 +12,10 @@ function loadChartsList() {
             let card = buildChartCard(elm);
             chartsCards.append(card)
         })
+
+        if (!data.length) {
+            $("#installedList .no-charts").show()
+        }
     })
 }