Update README.md

Author: Tomas-PawSQL

README.md

@@ -39,17 +39,16 @@
 - **Index Advise**: Recommend optimal indexes based on input SQL syntax, database objects and statistics information
 - **Query Rewrite**: Recommend semantically equivalent, but more efficient SQLs
 - **Performance Validation**: Ensure better performance after SQL rewrite and index recommendation
+
 ## Supported Databases
 
 MySQL, PostgreSQL, MariaDB, Oracle, openGauss, KingbaseES, GaussDB, Dameng, RDS for MySQL and etc.
 
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 ## Resources
 
-<p><a href="https://docs.pawsql.com">PawSQL Docs</a></p>
-<p><a href="https://pawsql.com/app">PawSQL Optimizer</a></p>
-<p><a href="https://pawsql.com/ppt">PawSQL Performance Patroller</a></p>
-<p><a href="https://pawsql.com/ppv">PawSQL Plan Visualizer</a></p>
+ - <p><a href="https://docs.pawsql.com">PawSQL Docs</a></p>
+ - <p><a href="https://pawsql.com/app">PawSQL Optimizer</a></p>
+ - <p><a href="https://pawsql.com/ppt">PawSQL Performance Patroller</a></p>
+ - <p><a href="https://pawsql.com/ppv">PawSQL Plan Visualizer</a></p>
 
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