Add link to JSQLFormatter (#422)

[JSQLFormatter](https://github.com/manticore-projects/jsqlformatter) - Java SQL Formatter for many RDBMS based on [JSqlParser](https://github.com/JSQLParser/JSqlParser).

README.md

@@ -356,6 +356,7 @@ Low-code and no-code platforms for application building
 
 ### Formatters
 - [CodeBuff](https://github.com/antlr/codebuff) - Language-agnostic pretty-printing through machine learning.
+- [JSQLFormatter](https://github.com/manticore-projects/jsqlformatter) - Open Source Java SQL Formatter for many RDBMS based on [JSqlParser](https://github.com/JSQLParser/JSqlParser).
 - [pgFormatter](https://github.com/darold/pgFormatter) - A PostgreSQL SQL syntax beautifier.
 - [Poor SQL](https://poorsql.com) - Instant free and open-source T-SQL formatting. 
 - [SQL Formatter](https://github.com/zeroturnaround/sql-formatter) - JavaScript library for pretty-printing SQL queries.