Closes #217: Add microbiology related SDTM (MB, MS, BE) #550

Job	Run time
Get R version	3s
Check / macos-latest (release)	1m 45s
Check / ubuntu-latest (release)	1m 38s
Check / windows-latest (release)	3m 5s
Links / Validate Links	11s
Version Bump	-1s
Spelling / Spellcheck	1m 40s
Code Coverage / Test Coverage	1m 33s
Man Pages / Roxygen	1m 39s
Lint / Lint	1m 46s
Code Style / Code Style	1m 52s
Check Templates / Verify	1m 50s
Documentation	0s
Validation	-1s
Code Coverage / Generate badge for coverage	-1s
	16m 59s

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