LlamaEdge-RAG 0.3.1

Major changes:

• Support new models:
  • second-state/gemma-1.1-7b-it-GGUF
  • second-state/gemma-1.1-2b-it-GGUF
  • second-state/CodeGemma-7b-it-GGUF
  • second-state/Octopus-v2-GGUF