Add missing dependencies for Python 3.12 compatibility

- Add `packaging` to requirements.txt (fixes #1 - pkg_resources import error)
- Add `x-transformers` to requirements.txt (required by stable_audio_tools)
- Bump version to 1.1.0

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

pyproject.toml

@@ -1,7 +1,7 @@
 [project]
 name = "comfyui_fl-songgen"
 description = "FL Song Gen - AI-powered song generation nodes for ComfyUI. Generate complete songs with vocals and instrumentals from lyrics using Tencent's SongGeneration (LeVo) model. Features style transfer, auto style presets, dual-track output, and up to 4m30s song generation."
-version = "1.0.9"
+version = "1.1.0"
 license = "Apache-2.0"
 dependencies = [
     "torch>=2.0.0",

requirements.txt

@@ -18,3 +18,5 @@ julius>=0.2.7
 lameenc>=1.8.1
 k-diffusion>=0.1.1
 vector-quantize-pytorch>=1.14.0
+x-transformers>=2.0.0
+packaging>=21.0