Add new SVG icons for various providers
- Added cerebras.svg for Cerebras provider.
- Added cohere.svg for Cohere provider.
- Added featherless-ai.svg for Featherless AI provider.
- Added fireworks-ai.svg for Fireworks AI provider.
- Added groq.svg for Groq provider.
- Added hf-inference.svg for Hugging Face Inference provider.
- Added hyperbolic.svg for Hyperbolic provider.
- Added nebius.svg for Nebius provider.
- Added novita.svg for Novita provider.
- Added nscale.svg for Nscale provider.
- Added sambanova.svg for SambaNova provider.
- Added together.svg for Together provider.
