add ext-releases repo so omakase can be found
add ext-releases repo so omakase can be found

@rev nmcwilliams@

forcedotcom/aura,DebalinaDey/AuraDevelopDeb,madmax983/aura,forcedotcom/aura,lhong375/aura,TribeMedia/aura,forcedotcom/aura,igor-sfdc/aura,DebalinaDey/AuraDevelopDeb,igor-sfdc/aura,TribeMedia/aura,navyliu/aura,navyliu/aura,madmax983/aura,SalesforceSFDC/aura,lcnbala/aura,madmax983/aura,forcedotcom/aura,forcedotcom/aura,lhong375/aura,badlogicmanpreet/aura,DebalinaDey/AuraDevelopDeb,DebalinaDey/AuraDevelopDeb,DebalinaDey/AuraDevelopDeb,SalesforceSFDC/aura,igor-sfdc/aura,lhong375/aura,navyliu/aura,DebalinaDey/AuraDevelopDeb,lcnbala/aura,igor-sfdc/aura,lcnbala/aura,SalesforceSFDC/aura,badlogicmanpreet/aura,SalesforceSFDC/aura,lcnbala/aura,lhong375/aura,badlogicmanpreet/aura,lcnbala/aura,SalesforceSFDC/aura,SalesforceSFDC/aura,igor-sfdc/aura,lcnbala/aura,madmax983/aura,navyliu/aura,TribeMedia/aura,TribeMedia/aura,madmax983/aura,badlogicmanpreet/aura,badlogicmanpreet/aura,madmax983/aura,TribeMedia/aura,TribeMedia/aura,navyliu/aura,navyliu/aura,badlogicmanpreet/aura