Handle pressing back in the beginning of the todo item

[kamalkishor1991]

Right now nothing happens if you press back in the beginning of the todo item.

1. If todo note is empty it should get deleted.
2. If the text size is greater than 0 it should merge into previous todo item

[samyakvaidya10]

Hi, can you assign this issue to me? I have previously worked on react and I can resolve this issue.

[Jayesh2812]

Hey, I see this issue isn't fixed yet.
Can I work on this issue ?

[kamalkishor1991]

@Jayesh2812 sure. You can work in it. Assigned it to you.

[Jayesh2812]

@kamalkishor1991 this issue is fixed in PR #46. Please have a look and review the changes.

[Param-Singh]

hey @kamalkishor1991 let me know if this issue is still open, I would love to work on this

[kamalkishor1991]

@Param-Singh yes it is still open. Asigning it to you.