Modifiy gitignore and position of db

.gitignore

@@ -13,4 +13,5 @@
 *.iml
 *.idea
 
-lab08.imgs
+derby.log
+/db/

src/main/resources/META-INF/persistence.xml

@@ -29,7 +29,7 @@
          data source, this example data source is just for development and testing! -->
       <properties>
          <!-- Properties for Hibernate -->
-          <property name="javax.persistence.jdbc.url" value="jdbc:derby:lab09;create=true" />
+          <property name="javax.persistence.jdbc.url" value="jdbc:derby:db/lab09;create=true" />
           <property name="javax.persistence.jdbc.driver" value="org.apache.derby.jdbc.EmbeddedDriver" />
 
           <property name="hibernate.show_sql" value="true" />