Update README.md

Author: yusrideb

README.md

@@ -1,2 +1,12 @@
-# CellBIS::SQL::Abstract
-SQL Abstract
+# CellBIS::SQL::Abstract - SQL Abstract
+
+This module provides SQL abstraction for use on [Mojo::mysql](https://metacpan.org/pod/Mojo::mysql) 
+or [DBI](https://metacpan.org/pod/DBI).
+
+# SQL Query support :
+- `insert`
+- `update`
+- `delete`
+- `select`
+- `select_join` for join table query.
+