docs: add Adanos Market Sentiment API (#79)

Readme.md

@@ -405,6 +405,7 @@ Note: the one marked as `Live Trading` has reasonable live trading support for a
 
 ### Alternative
 
+- [Adanos Market Sentiment API](https://api.adanos.org/docs/) | `REST API` | - Cross-platform market sentiment API for equities using Reddit, X/Twitter, and Polymarket signals; returns trending tickers, buzz scores, and sentiment snapshots for quant workflows.
 - [SEC EDGAR Filing API](https://github.com/janlukasschroeder/sec-api-python)
 - [edgartools](https://github.com/dgunning/edgartools) |`Python`| - SEC EDGAR data for quant strategies — fundamentals, institutional holdings (13F), insider transactions, and corporate events (8-K). Includes MCP server for AI workflows.
 - [CongressionalStockBrain](https://congressionalstockbrain.com) - AI-powered STOCK Act disclosure tracker that converts U.S. lawmaker trade filings into machine-scored signals for retail investors. Alternative data source for equity quant strategies. Free tier available.

Readme_cn.md

@@ -244,6 +244,7 @@ Note: 如果标有`Live Trading` 表示具有实时交易功能（至少一个
 - [Investpy](https://github.com/alvarobartt/investpy) - 使用 Python 从 Investing.com 提取财务数据
 - [AkShare](https://github.com/akfamily/akshare) |`Python`| - AKShare 是一个优雅简洁的 Python 金融数据接口库，专为人类打造！ 开源财经数据接口库
 - [Fundamental Analysis Data](https://github.com/JerBouma/FundamentalAnalysis) | `Python` | - 是一个成熟的基本面分析库，能够收集 20.000 多家公司的 20 年公司简介、财务报表、比率和股票数据。
+- [Adanos Market Sentiment API](https://api.adanos.org/docs/) | `REST API` | - 跨平台股票市场情绪 API，结合 Reddit、X/Twitter 和 Polymarket 信号，提供 trending tickers、buzz scores 和情绪指标，适合量化研究工作流。
 
 ### Crypto