feat: Begins moving models into their own module.

Sources/SharedModels/Vendor.swift

@@ -0,0 +1,24 @@
+import Dependencies
+import Foundation
+
+public struct Vendor: Identifiable, Equatable, Sendable {
+  public var id: UUID
+  public var createdAt: Date
+  public var name: String
+  public var updatedAt: Date
+
+  public init(
+    id: UUID? = nil,
+    createdAt: Date? = nil,
+    name: String,
+    updatedAt: Date? = nil
+  ) {
+    @Dependency(\.date) var date
+    @Dependency(\.uuid) var uuid
+
+    self.id = id ?? uuid()
+    self.createdAt = createdAt ?? date()
+    self.name = name
+    self.updatedAt = updatedAt ?? date()
+  }
+}