Add base images to dockerhub

[ODiogoSilva]

• [x] base image
• [x] reads_download
• [x] fastqc
• [x] trimmomatic
• [x] megahit
• [x] metaspades
• [x] skesa
• [x] spades
• [x] pilon
• [x] card_rgi
• [x] mash_patlas
• [x] bowtie2_samtools
• [x] mapping_patlas
• [x] kraken
• [x] remove_host
• [x] midas_species
• [ ] chewbbaca
• [x] mlst
• [x] patho_typing
• [x] seq_typing

[cimendes]

metaspades is included in the spades image