Fixed title and first sentence
Fixed title and first sentence

Changed "Metagenomics Data Carpentry Workshop" to "Metagenomics Workshop based on Data Carpentry"
datacarpentry/datacarpentry.github.io,ErinBecker/datacarpentry.github.io,datacarpentry/datacarpentry.github.io,ErinBecker/datacarpentry.github.io,ErinBecker/datacarpentry.github.io,ErinBecker/datacarpentry.github.io,datacarpentry/datacarpentry.github.io