Repo version info and upgrade (#10)

* Repo block shows

* repository update

* API progress

* Fix problem of stopping after uninstall

* Upgrade preview backend

* Upgrade preview displays fine

* Install flow works

* Weird check for updates

* Update action

* Fix action

* Still trying

* Fix lint error

* Refactor out helm handlers

* refactor out kube handlers

* save

* Change icon collection

* Reworked upgrade check

pkg/dashboard/static/styles.css

@@ -8,4 +8,8 @@
 
 .d2h-file-collapse, .d2h-tag {
     opacity: 0; /* trollface */
+}
+
+.display-none {
+    display: none;
 }