feat: Updates api controllers to use database client.

Sources/DatabaseClient/Employees.swift

@@ -1,6 +1,7 @@
 import Dependencies
 import DependenciesMacros
 import SharedModels
+import Vapor
 
 public extension DatabaseClient {
 
@@ -16,7 +17,7 @@ public extension DatabaseClient {
       try await fetchAll(.all)
     }
 
-    public enum FetchRequest {
+    public enum FetchRequest: String, Content {
       case active
       case all
       case inactive
@@ -24,6 +25,10 @@ public extension DatabaseClient {
   }
 }
 
+extension Employee: Content {}
+extension Employee.Create: Content {}
+extension Employee.Update: Content {}
+
 extension DatabaseClient.Employees: TestDependencyKey {
   public static let testValue = Self()
 }