Feat/add mlhub labels

[chorng]

• add microsoft floods collection
• add south africa crop type competition collection
• add plantvillage crop type kenya collection
• add western usa live fuel moisture collection

[chorng]

@Dorothyrono Fixed the typos and doubled check. Please review again.

[Dorothyrono]

Still some typos left, please see comments and double check

[chorng]

Done.

[Dorothyrono]

Looks good. Can merge