[chore] Add project icon for IntelliJ IDEA

[Pankraz76]

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• Add project icon for IntelliJ IDEA diffplug/spotless#2522

[cla-checker-service]

💚 CLA has been signed

[elasticsearchmachine]

Pinging @elastic/es-delivery (Team:Delivery)

[Pankraz76]

whats a valid pattern to fix?

Check labels — Missing: [>type]

[Pankraz76]

Kindly request some feedback on this. Most project big enough have implemented this.

Thanks.

[DaveCTurner]

Closing as per the contributing guidelines:

the time we would need to spend on reviews would outweigh the benefits of a change by preventing us from working on other more beneficial changes instead.