BLoC folder icon

[nulkode]

Description

Added BLoC folder icon.

Closes #2585.
Closes #1461.

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[nulkode]

@PKief sorry for mentioning, but can I get some feedback or can I get this merged?

[PKief]

@PKief sorry for mentioning, but can I get some feedback or can I get this merged?

The motive of this folder icon is a little different to all of the other folder icons of this extension. It has too many colors and this black border, which is not looking good and not consistent to the other folder icons.

Please take a look at the contribution guidelines to get more information on how to design good folder icons.