You can easily put the the <mat-chip-list> inside of an
<mat-form-field>.
You can also put <mat-form-field> outside of an mat-chip-list.
With matChipInput the input work with chip-list
Chips list without input
The example above has overridden the [separatorKeys] input to allow for
ENTER, COMMA and SEMI COLON keys.
You can also stack the chips if you want them on top of each other and/or use the
(focus) event to run custom code.