Add CLEF model guidance and measured Laya, Jev and CLEF latency

Update Laya cybersecurity to verified R2a weights and matching ONNX export

Update README.md

Add benchmark charts

Model card: author, benchmark charts, training-data link

laya-cybersec: prompt-injection/exfiltration scanner (Laya multilingual fine-tune) + ONNX + benchmarks

initial commit