Update README: fix L0 experiment description

Update README: link UltraData-Math-Generator to HF Space, add UltraData collection URL

Update README: add UltraData-Math-Parser reference in L0 section

Update README: rename Code Repository to Source Code

Fix: use <p> tag without blank lines to avoid HF rendering artifact

Update README: improve wording, add Quick Start section

Update README: Merge experimental setup into results section

Update README: Refine L3 description with format repair and textbook-quality standards

Rename UltraData-Math-L2 to UltraData-Math-L2-preview

Update README: Add UltraData-Math-L2 subset config

Update README: Align terminology with paper (MATH500, OpenCompass, Refined Data, etc.)

Update README: Enhance Full Evaluation Results description and add R-Bench-Math

Update README: Simplify benchmark list and unify table headers

Update README: Simplify experimental setup, unify table column order, remove commonsense benchmarks

Update README: Add UltraData-Math-L2 dataset description

Update README: Add UltraData-Math-L2 statistics

Update README: Add Commonsense Reasoning benchmarks description

Update README: Remove Avg_ZH column from results table

Update README: Refine experimental results, setup details, and L0 parser comparison

Update README: rename repository references to UltraData-Math

Update README: add dataset configs for L1 and L3 subsets viewer

fix bold highlighting in evaluation tables

bold best scores in experiment results

language switch

change name

add README

add English README

add dataset navigation links for L1 and L3

docs: 简化术语格式，移除英文括号注释

docs: add complete project documentation and pipeline diagram

Create README.md