Initial commit: DashCaddy v1.0

Full codebase including API server (32 modules + routes), dashboard frontend,
DashCA certificate distribution, installer script, and deployment skills.

dashcaddy-api/.dockerignore

@@ -0,0 +1,10 @@
+node_modules/
+__tests__/
+jest.config.js
+.env
+.encryption-key
+.gitignore
+.dockerignore
+*.log
+*.md
+docker-compose.yml