License confusion

[Apollo3zehn]

Describe the bug

Hi, thanks for this great piece of software :-)

I stumbled over a small issue regarding the license (and since this is not a feature, I used the bug template, hope this is fine). In docs/principles.md you write Just don't sell it, as per our [license](https://github.com/foambubble/foam/blob/master/docs/LICENSE.txt)

foam/docs/principles.md

Line 40 in 2fba6e9

- **Foam is open source.** Feel free to fork it, improve it and remix it. Just don't sell it, as per our [license](LICENSE.txt).

and then in the License it says (emphasis mine):

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicence, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions [...]

I do not plan to sell anything, just wondering how this fits together.

Small Reproducible Example

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Steps to Reproduce the Bug or Issue

Expected behavior

Screenshots or Videos

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Operating System Version

Visual Studio Code Version

Additional context

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[riccardoferretti]

Thanks for reporting the issue, I need to look into it