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

Sources/SharedModels/Vendor.swift

@@ -1,24 +1,38 @@
 import Dependencies
 import Foundation
 
-public struct Vendor: Identifiable, Equatable, Sendable {
+public struct Vendor: Codable, Equatable, Identifiable, Sendable {
   public var id: UUID
-  public var createdAt: Date
   public var name: String
+  public var branches: [VendorBranch]?
+  public var createdAt: Date
   public var updatedAt: Date
 
   public init(
     id: UUID? = nil,
-    createdAt: Date? = nil,
     name: String,
+    branches: [VendorBranch]? = nil,
+    createdAt: Date? = nil,
     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()
+    self.branches = branches
+    self.createdAt = createdAt ?? date.now
+    self.updatedAt = updatedAt ?? date.now
+  }
+}
+
+public extension Vendor {
+
+  static var mocks: [Self] {
+    [
+      .init(name: "Corken"),
+      .init(name: "Johnstone"),
+      .init(name: "Winstel Controls")
+    ]
   }
 }