Add piperTTS in-browser text-to-speech (#2052)

* Add piperTTS in-browser text-to-speech

* update vite config

* Add voice default + change prod public URL

* uncheck file

* Error handling
bump package for better quality and voices

* bump package

* Remove pre-packed WASM - will not support offline first solution for docker

* attach TTSProvider telem

server/endpoints/workspaceThreads.js

@@ -40,6 +40,7 @@ function workspaceThreadEndpoints(app) {
             LLMSelection: process.env.LLM_PROVIDER || "openai",
             Embedder: process.env.EMBEDDING_ENGINE || "inherit",
             VectorDbSelection: process.env.VECTOR_DB || "lancedb",
+            TTSSelection: process.env.TTS_PROVIDER || "native",
           },
           user?.id
         );