feat: Begins breaking database out into it's own module, using dependencies

Sources/DatabaseClient/PurchaseOrders.swift

@@ -0,0 +1,52 @@
+import Dependencies
+import DependenciesMacros
+import Fluent
+import SharedModels
+
+public extension DatabaseClient {
+  @DependencyClient
+  struct PurchaseOrders: Sendable {
+    public var create: @Sendable (PurchaseOrder.Create, User.ID) async throws -> PurchaseOrder
+    public var fetchAll: @Sendable () async throws -> [PurchaseOrder]
+    public var fetchPage: @Sendable (PageRequest) async throws -> Page<PurchaseOrder>
+    public var get: @Sendable (PurchaseOrder.ID) async throws -> PurchaseOrder?
+    // var update: @Sendable (PurchaseOrder.ID, PurchaseOrder.Update) async throws -> PurchaseOrder
+    public var delete: @Sendable (PurchaseOrder.ID) async throws -> Void
+  }
+}
+
+extension DatabaseClient.PurchaseOrders: TestDependencyKey {
+  public static let testValue: DatabaseClient.PurchaseOrders = Self()
+}
+
+public extension PurchaseOrder {
+  struct Create: Codable, Sendable {
+
+    public let id: Int?
+    public let workOrder: Int?
+    public let materials: String
+    public let customer: String
+    public let truckStock: Bool?
+    public let createdForID: Employee.ID
+    public let vendorBranchID: VendorBranch.ID
+
+    public init(
+      id: Int? = nil,
+      workOrder: Int? = nil,
+      materials: String,
+      customer: String,
+      truckStock: Bool? = nil,
+      createdForID: Employee.ID,
+      vendorBranchID: VendorBranch.ID
+    ) {
+      self.id = id
+      self.workOrder = workOrder
+      self.materials = materials
+      self.customer = customer
+      self.truckStock = truckStock
+      self.createdForID = createdForID
+      self.vendorBranchID = vendorBranchID
+    }
+  }
+
+}