Activating HuggingFaceEmbeddings, adding Jina deps (#378)

🚀 feat(config.yaml): add HuggingFaceEmbeddings to embeddings
The Jina and sentence-transformers dependencies were added to the
project to improve the functionality of the application. The
HuggingFaceEmbeddings was added to the embeddings in the config.yaml
file to improve the quality of the embeddings used in the application.

Closes #375