feat: Document completed tasks for KMS, Cryptography, and Plugin Libraries

- Added detailed task completion records for KMS interface implementation and CLI support for file-based keys.
- Documented security enhancements including Argon2id password hashing, audit event contracts, and rate limiting configurations.
- Included scoped service support and integration updates for the Plugin platform, ensuring proper DI handling and testing coverage.

NuGet.config

@@ -38,6 +38,7 @@
       <package pattern="Microsoft.Extensions.*" />
       <package pattern="Microsoft.AspNetCore.*" />
       <package pattern="Microsoft.Data.Sqlite" />
+      <package pattern="Microsoft.OpenApi*" />
       <package pattern="System.Diagnostics.*" />
     </packageSource>
     <packageSource key="nuget.org">