FASHN v1.5 is Now Live as the Default Model

Web App:

The new FASHN v1.5 model is now the default model. The "Experimental" toggle is removed.

API:

The new FASHN v1.5 model is now the default model in the standard https://api.fashn.ai/v1/ endpoint. The /nightly endpoint now simply reroutes to the main endpoint. See updated docs.