fix(v0.9.0): snake_case rename of two dashed files

Add stub root config.json for HF download counter

Add spec-compliant config.json files

Add spec-compliant config.json files

Remove old-layout metadata orphaned by MODEL_SPEC.md restructure

Restructure to MODEL_SPEC.md convention

Add CoreML fp32+fp16 variants; update README with full variant matrix

Add XNNPACK 8da4w quantized variant

Initial upload: distiluse-base-multilingual-cased-v2 XNNPACK fp32 for RNE v0.9.0

initial commit