feat: add docker-compose.yaml with model cache persistence (#64)

Closes #28

.dockerignore

@@ -0,0 +1,6 @@
+.git
+.venv
+__pycache__
+*.pyc
+tests/test_custom_path.py
+temp_models/

docker-compose.yaml

@@ -0,0 +1,14 @@
+services:
+  pocket-tts:
+    build: .
+    ports:
+      - "8000:8000"
+    volumes:
+      - pocket_tts_cache:/root/.cache/pocket_tts
+      - hf_cache:/root/.cache/huggingface
+    command: ["uv", "run", "pocket-tts", "serve", "--host", "0.0.0.0"]
+    restart: unless-stopped
+
+volumes:
+  pocket_tts_cache:
+  hf_cache: