add archunit override annotation (#66)

Author: SirCotare

src/main/java/it/aboutbits/springboot/toolbox/archunit/ArchAllowDirectAccess.java

@@ -0,0 +1,14 @@
+package it.aboutbits.springboot.toolbox.archunit;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target({ElementType.TYPE, ElementType.FIELD, ElementType.RECORD_COMPONENT})
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+public @interface ArchAllowDirectAccess {
+    String reason();
+}