add sql log and mybatis interceptor

Helius

2020-05-14 0928200f9ca991957f129cc9c1a77c025f4186d0

 src/main/java/com/xcong/excoin/configurations/properties/SecurityProperties.java

@@ -14,4 +14,6 @@
public class SecurityProperties {

    private String privateKey;

    private String publicKey;
}