add Conductor to folders

[YassinEldeeb]

Preparing for launch: https://the-guild.dev/graphql/gateway

[github-actions[bot]]

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[PKief]

The icons do not look good, please have a look into the contribution guidelines and check the styling of the other folder icons of this theme.

https://github.com/PKief/vscode-material-icon-theme/blob/main/CONTRIBUTING.md#design-folder-icons