Relicense Crossbow under dual MIT/Apache-2.0

[enfipy]

Objective

• Updates Licenses to MIT or Apache-2.0.

Contributor checkoff:

• @enfipy
• @Heezay
• @Adoka3710
• @olvyko
• @rodrigocam
• @beling

[Heezay]

I license past and future contributions under the dual MIT/Apache-2.0 license, allowing licensees to choose either at their option.

[beling]

Great idea! Of course, I agree.

[enfipy]

@beling Thank you!

Can you paste this message into the comments?

I license past and future contributions under the dual MIT/Apache-2.0 license, allowing licensees to choose either at their option.

[beling]

I license past and future contributions under the dual MIT/Apache-2.0 license, allowing licensees to choose either at their option.

[Adoka3710]

I license past and future contributions under the dual MIT/Apache-2.0 license, allowing licensees to choose either at their option.

[olvyko]

I license past and future contributions under the dual MIT/Apache-2.0 license, allowing licensees to choose either at their option.

[enfipy]

I license past and future contributions under the dual MIT/Apache-2.0 license, allowing licensees to choose either at their option.

[rodrigocam]

I license past and future contributions under the dual MIT/Apache-2.0 license, allowing licensees to choose either at their option.