feat: add dedicated DDS permission backoffice instance

dds-backoffice/src/main/java/com/cloudhandson/ddsbackoffice/config/BackofficeProperties.java

@@ -0,0 +1,10 @@
+package com.cloudhandson.ddsbackoffice.config;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+@ConfigurationProperties(prefix = "backoffice")
+public record BackofficeProperties(Security security) {
+
+  public record Security(String adminUser, String adminPassword, boolean requireHttps) {
+  }
+}