feat: Initial implementation of permission manager SDK - Add core permission management functionality with @RequiresPermission annotation - Implement permission checking aspect with Spring Security integration - Add comprehensive model classes for permissions, roles, and domains - Create integration builder for permission structure setup - Add configuration support for permission manager client - Implement exception handling for access control - Add extensive test coverage with integration tests - Configure Maven build with Spring Boot/Cloud dependencies

.vscode/settings.json

@@ -0,0 +1,4 @@
+{
+    "java.compile.nullAnalysis.mode": "automatic",
+    "java.configuration.updateBuildConfiguration": "automatic"
+}