Update README.md

Author: r-i-c-h-a

README.md

@@ -1 +1,10 @@
-# mysql_basic
+# mysql_basic
+
+<h2>Create MySql database</h2>
+<code>create database user_db;<br></code>
+<code>create user 'mysql_access'@'%' identified by 'mysql123';<br></code>
+<code>grant all on db_example.* to 'mysql_access'@'%';<br></code>
+
+<h2>Build</h2>
+<code>cd mysql-basic-functionalities<br></code>
+<code>mvnw spring-boot:run<br></code>