Simplify Dockerfile - use python:3.11 with straightforward setup

Use python:3.10 base with extended pip timeout for large packages

Switch to conda base image for faster PyTorch installation

Simplify Dockerfile and requirements - remove redundant dependencies for HF Spaces build

Use Python base image with pip-installed PyTorch for more reliable builds

Update Docker image to pytorch/pytorch:2.3.1-cuda12.1-runtime-ubuntu22.04

Initial commit: Parler TTS FastAPI with Docker