feat(gallery): add S1-mini variants

S1-mini normalizes raw English speech transcripts with a compact Qwen3 model.

Add the publisher’s Q4_K_M and F16 GGUF builds with the required prompt and deterministic settings.

Assisted-by: Codex:gpt-5
Signed-off-by: Ettore Di Giacinto <mudler@localai.io>
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