Configure development environment and update database settings

- Add VS Code debug configurations (launch.json, tasks.json)
- Add development guide for VS Code debugging
- Update database ports to high ports (MySQL: 33066, Redis: 63379)
- Update application server port to 8123
- Enable blade-starter-liteflow dependency
- Add SDKMAN configuration (.sdkmanrc)
- Add project documentation (CLAUDE.md)
- Update .gitignore to exclude logs and deployment files

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "java.compile.nullAnalysis.mode": "automatic"
+}