[FR] Enable users to create search contexts without needing to specify it in the config

[msukkari]

Right now the an admin needs to define search contexts in the config file. However, certain users may have specific search contexts that they care about that they want to create easily in the UI

[sudhanshu112233shukla]

can i work on this

[imsarang]

Hi, is this still needed.
I can take this up
@msukkari @brendan-kellam