Remove `DefaultTextStyle` as parent in `README.md` and `example`

[SirusCodes]

I would suggest to remove use of DefaultTextStyle in README.md and example which was introduced in #217 as it would suggest the user to use it for every time when they want to change the text style

[awhitford]

Using DefaultTextStyle avoids having to repeat having to specify the textStyle for each AnimatedText instance. It cut a lot of lines of code in the sample code.

Having said that, I support the idea of a section that explains the benefits of using DefaultTextStyle.

[awhitford]

... which was introduced in #221 as it would suggest the user to use it for every time when they want to change the text style.

@SirusCodes I think you meant to reference #217.

[SirusCodes]

Using DefaultTextStyle avoids having to repeat having to specify the textStyle for each AnimatedText instance. It cut a lot of lines of code in the sample code.

Having said that, I support the idea of a section that explains the benefits of using DefaultTextStyle.

Yes because if I'm a beginner in Flutter and say this in a package I would think that this is the only way to use this package...

I think we can add a section explaining the use of DefaultTextStyle and in our example use it somewhere where we have repetation not in all animation?

[Nidhi-2000]

Hey , @SirusCodes can you please assign this issue to me . I am a GSSOC'21 participant

[Nidhi-2000]

thanks @SirusCodes.

[harshita2319]

I'd like to work on this (GSSOC participant)

[SirusCodes]

@harshita2319 go ahead.

[harshita2319]

@harshita2319 go ahead.

Should I add new file for explaining the use as you've mentioned earlier?