v1.0.1

ComfyUI-LinkSpotlight v1.0.1 — branding & CI maintenance

No functional changes to the extension itself — if v1.0.0 works for you,
there is nothing to hurry for.

**What's new**

- Project artwork: hero image added to the README and used as the icon on
  the Comfy Registry listing
- Assets reorganized under assets/ (images/, videos/)

**Under the hood**

- CI: registry publishing now runs on current GitHub Actions
  (actions/checkout v7, setup-python v6) instead of a composite action
  pinning deprecated Node 20 runtimes
- CI: GitHub Releases are now created automatically from annotated v* tags

**Install / update**

- ComfyUI-Manager: search for "LinkSpotlight"
- Manual: git pull inside custom_nodes/ComfyUI-LinkSpotlight