Add contributors in readme.md

[Ali Ahnaf]

[Ali Ahnaf]

@all-contributors please add @Propo41 for

[allcontributors]

@Propo41

I couldn't determine any contributions to add, did you specify any contributions?
Please make sure to use valid contribution names.

[Ali Ahnaf]

@all-contributors please add @Propo41 for code

[allcontributors]

@Propo41

I've put up a pull request to add @Propo41! 🎉

[Ali Ahnaf]

@all-contributors please add @tashfiq333 for code
@all-contributors please add @FuadBinAkhter for code
@all-contributors please add @SNNafi for code

[allcontributors]

@Propo41

I could not determine your intention.

Basic usage: @all-contributors please add @Someone for code, doc and infra

For other usages see the documentation

[Ali Ahnaf]

@all-contributors please add @SNNafi for code

[allcontributors]

@Propo41

I've put up a pull request to add @SNNafi! 🎉

[Ali Ahnaf]

@all-contributors please add @tashfiq333 for code

[allcontributors]

@Propo41

I've put up a pull request to add @tashfiq333! 🎉

[Ali Ahnaf]

@all-contributors please add @FuadBinAkhter for code

[allcontributors]

@Propo41

I've put up a pull request to add @FuadBinAkhter! 🎉

[Ali Ahnaf]

@all-contributors please add @Propo41 for design, ideas, bug

[allcontributors]

@Propo41

I've put up a pull request to add @Propo41! 🎉

[Ali Ahnaf]

@all-contributors please add @tashfiq333 for code, ideas, bug

[allcontributors]

@Propo41

I've put up a pull request to add @tashfiq333! 🎉