feat: more embedded models, coqui fixes, add model usage and description (#1556)

* feat: add model descriptions and usage

* remove default model gallery

* models: add embeddings and tts

* docs: update table

* docs: updates

* images: cleanup pip cache after install

* images: always run apt-get clean

* ux: improve gRPC connection errors

* ux: improve some messages

* fix: fix coqui when no AudioPath is passed by

* embedded: add more models

* Add usage

* Reorder table