Added the catalogue models and seed to support phase 2 of the POC prototype in the Persistence package.

Packages/Persistence/README.md

@@ -8,6 +8,7 @@ The [Fluent](https://github.com/hummingbird-project/hummingbird-fluent)-based da
 | Service | `Service`, which builds the `Fluent` service configured for the chosen driver |
 | Migrations | `PrepareDB`, the single registrar declaring every migration, in order |
 | Readiness | `Probe`, which reports whether the default database answers a `SELECT 1` within a deadline |
+| Accounts | `AccountRepository`, which finds an account by email or creates it, returning a `User` snapshot; `CreateUser` seeds the prototype's demo accounts |
 | Catalogue | `CatalogueRepository`, returning `Shop` and `Listing` snapshots narrowed and ordered by a `ListingFilter`; `SeedCatalogue` fills it with the prototype's demo data |
 
 ## Design rules
@@ -29,12 +30,12 @@ Sources/
 ├── Public/
 │   ├── Enumerations/      Driver, TLS
 │   ├── Methods/           Service, PrepareDB, Probe
-│   ├── Models/            Shop, Listing, ListingFilter
-│   ├── Repositories/      CatalogueRepository
+│   ├── Models/            Shop, Listing, ListingFilter, User
+│   ├── Repositories/      CatalogueRepository, AccountRepository
 │   └── Types/             Configuration
 └── Internal/
-    ├── Migrations/        CreateShop, CreateListing, SeedCatalogue
-    ├── Models/            ShopRecord, ListingRecord
+    ├── Migrations/        CreateShop, CreateListing, SeedCatalogue, CreateUser
+    ├── Models/            ShopRecord, ListingRecord, UserRecord
     └── Seeds/             Seed
 Tests/
 ├── Cases/                 the test suites, mirroring the Sources/ layout