Feature: Implement iCal integration for calendar, improve styling (#2376)

* Feature: Implement iCal integration, improve calendar/agenda styling

* Delete calendar.jsx

* Calendar proxy handler

* code style

* Add some basic error handling

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Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

package.json

@@ -12,6 +12,7 @@
   "dependencies": {
     "@headlessui/react": "^1.7.2",
     "@kubernetes/client-node": "^0.17.1",
+    "cal-parser": "^1.0.2",
     "classnames": "^2.3.2",
     "compare-versions": "^5.0.1",
     "dockerode": "^3.3.4",