feat: add IPFS Desktop v0.7.0

[hacdias]

Hii! I'd like to add IPFS Desktop if possible 😃

I kept the name as ipfs-desktop because it is different from ipfs even though your documentation say to remove it.

Ref.: ipfs/ipfs-desktop#691

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After making all changes to the cask:

• brew cask audit --download {{cask_file}} is error-free.
• brew cask style --fix {{cask_file}} reports no offenses.
• The commit message includes the cask’s name and version.
• The submission is for a stable version or documented exception.

Additionally, if adding a new cask:

• Named the cask according to the token reference.
• brew cask install {{cask_file}} worked successfully.
• brew cask uninstall {{cask_file}} worked successfully.
• Checked there are no open pull requests for the same cask.
• Checked the cask was not already refused.
• Checked the cask is submitted to the correct repo.

[hacdias]

@vitorgalvao I don't know if ipfs-desktop should be called ipfs here. There's already an ipfs package on brew that is not a cask and it might generate some confusion, no?

[vitorgalvao]

There's already an ipfs package on brew

There are several others in the same situation.

[hacdias]

@vitorgalvao it seems CI is emitting a warning because of that:

https://travis-ci.org/Homebrew/homebrew-cask/builds/507591873#L320

[vitorgalvao]

it seems CI is emitting a warning because of that

Yes, that’s expected. It should be a warning and not a failure. I’ve verified the rest locally. Thank you for your contribution.

[hacdias]

@vitorgalvao thanks! I'll make sure to keep this cask updated 😄