Change timeout to 5s, then assume offline

Sources/App/routes.swift

@@ -16,9 +16,13 @@ func routes(_ app: Application) throws {
 
     app.get("status", ":url") { req -> [String: String] in
         let url = URL(string: "http://\(req.parameters.get("url")!)")
+        let config = URLSessionConfiguration.default
+        config.timeoutIntervalForRequest = 5
+        config.timeoutIntervalForResource = 5
         var statusDict: [String:String] = [:]
         var headReq = URLRequest(url: url!)
         headReq.httpMethod = "HEAD"
+        headReq.timeoutInterval = 5
         let semaphore = DispatchSemaphore(value: 0)
         URLSession.shared.dataTask(with: headReq, completionHandler:  { (_, response, error) in
             if let httpURLResponse = response as? HTTPURLResponse {