Update weights: README.md

Model card: precision fixes (inline post-processing location; leaderboard entry timing)

Model card: remove score section pending leaderboard results

Model card: clarify ESB = Open ASR Leaderboard test suite

Model card: correct Performance table and architecture note to current measurements

Update v2: README.md

Update model weights and eval results (avg WER 5.67% → 5.36%)

Add ESB benchmark eval results (model-index) for Open ASR Leaderboard

Add README with usage instructions and model card