Diogo Couto

Results 3 issues of Diogo Couto

I think we should add the [strictNullChecks](https://www.typescriptlang.org/tsconfig#strictNullChecks) config to our .tsconfig file in order to guarantee that a variable is neither null nor undefined and enforce us to handle those...

enhancement

Currently, each toaster needs its own `ToasterContainer`. In the future, we will need to refactor this only to just one `ToasterContainer` which will be shared by all toasters.