Feature/seldon core

[AyadiAmen]

What this PR does / why we need it:

Add Seldon-Core to FADI

Special notes for your reviewer:

Checklist

[Place an '[x]' (no spaces) in all applicable fields. Please remove unrelated fields.]

• [x] DCO signed
• [x] Chart Version bumped
• [x] Variables are documented in the README.md