Add documentation for phases 10 to 16 of the Java Vault API project

- Phase 10: Project Setup - Overview of project structure and initial setup instructions.
- Phase 11: Health Endpoint - Implementation of the /health endpoint with a controller and DTO.
- Phase 12: Database Layer - Setup PostgreSQL with Flyway migrations and User entity.
- Phase 13: Notes API - Full CRUD implementation for notes with service and controller layers.
- Phase 14: Auth Layer - JWT authentication filter and user resolution in controllers.
- Phase 15: Passwords API - AES-256 encryption for password entries with CRUD operations.
- Phase 16: Docker & CI/CD - Multi-stage Dockerfile and GitHub Actions workflow for CI/CD.

Author: Shashankpgit

future-try.md

@@ -1,2 +1,5 @@
 1. future make sure build a simple functionality which will use things like async, await and to understand . if see how it will work without this then how this keywords will help.
-2. Even for the cors do this kind of thing.
+2. Even for the cors do this kind of thing.
+
+Branched conversation. You are now in the new branch (session 7aefd493-cc3d-475c-9742-e1f38440e4a7). Use /resume 388f33e1-7a01-4206-9df0-bee7b2e79842 ("full-stack-development")
+     to return to the original, or run claude -r 388f33e1-7a01-4206-9df0-bee7b2e79842 in a new terminal.