Add features

[viveeeeeek]

[deltarfd]

Can i know what features do you want to add?

[viveeeeeek]

maybe you can add switch button to take height input in centimeters

[atharv-bhadange]

Hey! Can I work on above mentioned feature?

[viveeeeeek]

yes.

[Perumallpardhiv]

@viveeeeeek
I have added new feature and It is dropdown for both height and weight respectively
Pls review my pr and let me know if any changes required

[merRen22]

@viveeeeeek
Hi, I have added some widget test to validate the error snackbar and the happy path
Please review my pr and let me know if any changes required