Fixes a bug in the README's database creation queries

The database creation queries in the README.md file had a bug, as the ".*" to
reference all the tables in the databases was missing. This commit fixes this
bug and some minor indentation errors in this file.

README.md

@@ -58,11 +58,11 @@ commands:
 
 ```sql
 CREATE DATABASE xcs;
-GRANT ALL PRIVILEGES ON xcs TO xcs@localhost IDENTIFIED BY 'xcs';
+GRANT ALL PRIVILEGES ON xcs.* TO xcs@localhost IDENTIFIED BY 'xcs';
 FLUSH PRIVILEGES;
 
 CREATE DATABASE xcssampletest;
-GRANT ALL PRIVILEGES ON xcssampletest TO xcs@localhost IDENTIFIED BY 'xcs';
+GRANT ALL PRIVILEGES ON xcssampletest.* TO xcs@localhost IDENTIFIED BY 'xcs';
 FLUSH PRIVILEGES;
 ```
 
@@ -72,7 +72,7 @@ tests) you can also execute:
 
 ```sql
 DROP TABLE IF EXISTS `User`;
-  CREATE TABLE `User` (
+CREATE TABLE `User` (
   `role` varchar(5) NOT NULL,
   `login` varchar(100) NOT NULL,
   `password` varchar(32) NOT NULL,