feat: Moves employee views to their own controller, updates css, and employee table view.

Sources/App/Extensions/RouteBuilder+protected.swift

@@ -0,0 +1,10 @@
+import Vapor
+
+extension RoutesBuilder {
+
+  // Used to ensure views are protected, redirects users to the login page if they're
+  // not authenticated.
+  var protected: any RoutesBuilder {
+    grouped(User.credentialsAuthenticator(), User.redirectMiddleware(path: "login"))
+  }
+}