A fairly byzantine license notice

See https://github.com/pluralsh/plural/blob/master/LICENSE with a mishmash of MIT for binaries, AGPL for source but some also Apache for some sources, or commercial option.

> Plural Licensing
>
> SOFTWARE LICENSING
>
> You are licensed to use compiled versions of the Plural platform produced by Plural Labs, Inc. under an MIT LICENSE
>
> You may be licensed to use source code to create compiled versions not produced by Plural Labs, Inc. in one of three ways:
>
> 1. Under the Free Software Foundation’s GNU AGPL v.3.0, subject to the exceptions outlined in this policy; or
> 2. Under a commercial license available from Plural Labs, Inc. by contacting commercial@plural.sh
> 3. Creating a licensed installation on app.plural.sh
>
> You are licensed to use the source code in Admin Tools and Configuration Files (plural/) under the Apache License v2.0.
>
> We promise that we will not enforce the copyleft provisions in AGPL v3.0 against you if your application (a) does not
> link to the Plural Platform directly, but exclusively uses the Plural Admin Tools and Configuration Files, and
> (b) you have not modified, added to or adapted the source code of Plural in a way that results in the creation of
> a “modified version” or “work based on” Plural as these terms are defined in the AGPL v3.0 license.
>
>