Improved variants and case filtering and load config safety check

[4.20]

Added

• Display number of filtered variants vs number of total variants in variants page
• Search case by HPO terms
• Dismiss variant column in the variant tables.
• Black and pre-commit packages to dev requirements

Fixed

• Bug occurring when rerun is requested twice
• Peddy info fields in the demo config file
• Added load config safety check for multiple alignment files for one individual

Changed

• Updated the documentation on how to create a new software release
• Genome build-aware cytobands coordinates
• Styling update of the Matchmaker card
• Select search type in case search form