Create a meta.yml file for each local module

[Daniel-VM]

Description of feature

Some of the local modules lacks on meta.yml file:

• [ ] modules/local/kraken2/db_preparation/meta.yml
• [ ] modules/local/dfast/meta.yml
• [ ] modules/local/kmerfinder/download_reference/meta.yml
• [ ] modules/local/kmerfinder/kmerfinder/meta.yml
• [ ] modules/local/medaka/meta.yml
• [ ] modules/local/custom/multiqc/meta.yml
• [ ] modules/local/nanopolish/meta.yml