Improved documentation for read_sql_query with clear explanation and example

Author: akhil0404-tech

docs/source/api.rst

@@ -151,6 +151,25 @@ Amazon Athena
     list_prepared_statements
     delete_prepared_statement
 
+    read_sql_query(sql, con, **kwargs)
+----------------------------------
+
+Executes a SQL query and returns the result as a Pandas DataFrame.
+
+**Example**:
+
+.. code-block:: python
+
+    import awswrangler as wr
+    import sqlalchemy
+
+    # Create SQLAlchemy engine for MySQL
+    engine = sqlalchemy.create_engine("mysql+pymysql://user:password@host/dbname")
+
+    # Run SQL query and get results into Pandas DataFrame
+    df = wr.read_sql_query("SELECT * FROM employees", con=engine)
+
+
 Amazon Redshift
 ---------------