Update README.md

Add brief description for each of the scripts

Author: techbeamers

README.md

@@ -1 +1,14 @@
 # python-sql-examples
+
+The Database Utility Python Script: db_utils.py
+MySQL Create Database Python: mysql_create_db.py
+MySQL Create Table Python Script: mysql_create_table.py
+MySQL Insert Rows Python Script: mysql_insert_rows.py
+MySQL Select Rows Python Script: mysql_select_rows.py
+MySQL Update Rows Python Script: mysql_update_rows.py
+MySQL Join Operations Demo Python Script: mysql_join_ops.py
+MySQL Aggregate Functions Demo Python Script: mysql_aggr_ops.py
+MySQL Drop Table Python Script: mysql_drop_table.py
+MySQL Drop Database Python Script: mysql_drop_db.py
+MySQL Python Scripts Launcher Script: db_run_scripts.py
+MySQL Combined Python Script: db_uni_demo.py