[ ] We need a hook for comoponent setup (in majority of cases only one hook is needed, as global state will be overriden and we don't need disassembly step).
[ ] Sometimes disassembly is still important. It might also prevent non destroyed component from erroring out.
Implementation wise
[ ] We probably want to postpone router navigation until previous page is destroyed, that way onCreate/onDestroy would work just fine.
// Not sure if needed
[ ] onDemoEnter - should always trigger after onDemoLeave of previously visited component.
There are 2 cases we want to cover with this:
Implementation wise
// Not sure if needed
onDemoEnter- should always trigger afteronDemoLeaveof previously visited component.onDemoLeave