Setup status check for new KP API from Segment 1

[newgene]

After registered them in SmartAPI registry, example values should be added to enable the status check for these APIs:

biothings/pending.api#5
biothings/pending.api#6
biothings/pending.api#7

[kevinxin90]

Examples for these APIs are added. Waiting for SmartAPI backend to refresh and display the badge.

[kevinxin90]

All newly added APIs have passed tests.

EBIgene2phenotype

MGIgene2phenotype

DISEASES