docs(readme): add star badge to WebTaskBench (#94)

Every other GitHub-linked entry in the list carries the badge.

Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>

Author: nibzard

README.md

@@ -194,7 +194,7 @@ Datasets, benchmarks, and notable research efforts for evaluating and advancing
 - [Mind2Web](https://osu-nlp-group.github.io/Mind2Web) - A large-scale dataset for generalist web agents. ![GitHub Repo stars](https://img.shields.io/github/stars/OSU-NLP-Group/Mind2Web?style=social)
 - [World of Bits: An Open-Domain Platform for Web-Based Agents](https://proceedings.mlr.press/v70/shi17a/shi17a.pdf) - OpenAI's research paper that introduces World of Bits: a platform where agents complete tasks on the internet by performing low-level keyboard and mouse actions.
 - [MiniWoB++](https://miniwob.farama.org) - A classic suite of 104 mini web browser tasks in a synthetic environment. It is an extension of the OpenAI MiniWoB benchmark. ![GitHub Repo stars](https://img.shields.io/github/stars/Farama-Foundation/miniwob-plusplus?style=social)
-- [WebTaskBench](https://github.com/plasmate-labs/plasmate-benchmarks) - 51-URL benchmark comparing HTML vs Markdown vs SOM representations for AI agents. Measures token efficiency, latency, and accuracy across GPT-4o and Claude Sonnet 4.
+- [WebTaskBench](https://github.com/plasmate-labs/plasmate-benchmarks) - 51-URL benchmark comparing HTML vs Markdown vs SOM representations for AI agents. Measures token efficiency, latency, and accuracy across GPT-4o and Claude Sonnet 4. ![GitHub Repo stars](https://img.shields.io/github/stars/plasmate-labs/plasmate-benchmarks?style=social)
 - [WebArena](https://webarena.dev) - A realistic, self-hostable web environment for autonomous agents. Includes official leaderboard tracking agent performance. ![GitHub Repo stars](https://img.shields.io/github/stars/web-arena-x/webarena?style=social)
 - [WebCanvas](https://github.com/iMeanAI/WebCanvas) - An online evaluation framework for dynamic web environments. Tests agents on live websites. ![GitHub Repo stars](https://img.shields.io/github/stars/iMeanAI/WebCanvas?style=social)
 - [WebGPT](https://openai.com/research/webgpt) - OpenAI's browser-assisted question-answering research project.