GatewayAPI: allowed routes implementation

[PaoloGalianoBove]

PR to introduce map for the tenant labels

[kingmakerbot]

Hi @PaoloGalianoBove. Thanks for your PR.

I am @kingmakerbot.
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Make sure this PR appears in the CrownLabs changelog, adding one of the following labels:

• kind/breaking: 💥 Breaking Change
• kind/feature: 🚀 New Feature
• kind/bug: 🐛 Bug Fix
• kind/cleanup: 🧹 Code Refactoring
• kind/docs: 📝 Documentation