Proxy endpoints to Ensembl genes, exons and transcripts

[1.0.0]

Added

• Endpoint to Ensembl genes download
• Endpoint to Ensembl transcripts download
• Endpoint to Ensembl exons download
• Dockerfile and docker-compose files
• Push to Docker Hub -prod and stage- GitHub actions
• Publish to PyPI GitHub actions
• Run tests GitHub action
• CHANGELOG file

Changed

• Run the app with Python>=3.8

Fixed

• Typing errors in fetch_ensembl_exons and fetch_genes_to_hpo_to_disease that prevented the app from starting