Multiple base url for AVNI

[siddhant3030]

What area the feature impact?

Connectors

Relevant Information

For atecf AVNI instances we need a new base url which we can choose from the connector similar to kobo. ATECF old instances was on different base url and for the new one we need to add this also as a drop down option

app.rwb.avniproject.org
https://app.rwb.avniproject.org/api/subjects full url will look like this