v0.4.1

docker-talkies v0.4.1 — README rewrite for above-the-fold conversion.

Patch release. Pure docs refresh + a tiny .gitignore tweak. No
behavior change, no API change, no new models or endpoints.

README highlights:
- One-sentence tagline + Python drop-in snippet in the first 25 lines
  (was buried in 4 paragraphs of prose).
- 7 single-line feature bullets: ASR / TTS / voice cloning / hot
  swap / MCP / diarization / CPU+CUDA.
- Quick Start trimmed to 1 docker run + 1 curl above the fold; full
  examples + TOC folded into <details>.
- Dense "how it works" prose moved below the fold, unchanged.

.gitignore: about.txt added to local-tooling section.