Minor style and typo fixes

Author: siemensikkema

Sources/Gatekeeper/Gatekeeper+Vapor/Application+Gatekeeper.swift

@@ -67,7 +67,7 @@ extension Application.Gatekeeper {
                 self.run = run
             }
 
-            /// A provider that uses the defaultt Vapor in-memory cache.
+            /// A provider that uses the default Vapor in-memory cache.
             public static var memory: Self {
                 .init { app in
                     app.caches.use(.memory)
@@ -98,7 +98,7 @@ extension Application.Gatekeeper {
     }
 }
 
-// MARK: - Gatekeeper+Keymaker
+// MARK: - Gatekeeper+Keymakers
 extension Application.Gatekeeper {
     public struct KeyMakers {
         private let gatekeeper: Application.Gatekeeper

Sources/Gatekeeper/Gatekeeper+Vapor/Request+Gatekeeper.swift

@@ -9,6 +9,7 @@ extension Request {
         .init(
             cache: cache ?? application.gatekeeper.caches.cache.for(self),
             config: config ?? application.gatekeeper.config,
-            identifier: keyMaker ?? application.gatekeeper.keyMakers.keyMaker)
+            identifier: keyMaker ?? application.gatekeeper.keyMakers.keyMaker
+        )
     }
 }

Sources/Gatekeeper/Request+Hostname.swift

@@ -2,6 +2,6 @@ import Vapor
 
 extension Request {
     var hostname: String? {
-        return headers.first(name: .xForwardedFor) ?? remoteAddress?.hostname
+        headers.first(name: .xForwardedFor) ?? remoteAddress?.hostname
     }
 }

Tests/GatekeeperTests/GatekeeperTests.swift

@@ -9,7 +9,7 @@ class GatekeeperTests: XCTestCase {
         app.gatekeeper.config = .init(maxRequests: 10, per: .second)
 
         app.grouped(GatekeeperMiddleware()).get("test") { req -> HTTPStatus in
-                return .ok
+            return .ok
         }
 
         for i in 1...10 {