Make server start and stop (start on a default or given port)

src/ios/GCDWebServer-Bridging-Header.h

@@ -0,0 +1,3 @@
+#import "GCDWebServer.h"
+#import "GCDWebServerDataRequest.h"
+#import "GCDWebServerDataResponse.h"

src/ios/Webserver-Bridging-Header.h

@@ -1 +0,0 @@
-#import "GCDWebServer.h"

src/ios/Webserver.swift

@@ -1,19 +1,47 @@
 @objc(Webserver) class Webserver : CDVPlugin {
-
+    var webServer: GCDWebServer = GCDWebServer()
     var request_ids: [String] = []
-    var webServer = GCDWebServer()
 
     override func pluginInitialize() {
         self.request_ids = []
+        self.webServer = GCDWebServer()
+        self.initHTTPRequestHandlers()
+    }
+    
+    func initHTTPRequestHandlers() {
+        for methodType in ["GET", "POST", "PUT", "PATCH", "DELETE"] {
+            self.webServer.addDefaultHandler(
+                forMethod: methodType,
+                request: GCDWebServerDataRequest.self,
+                processBlock: {
+                    (request) -> GCDWebServerResponse in
+                        let json = ["hello": "world"]
+                        print((request as! GCDWebServerDataRequest).jsonObject as Any)
+                        let response = GCDWebServerDataResponse(jsonObject: json)
+                        return response!
+                    
+                }
+            )
+        }
     }
 
     func start(_ command: CDVInvokedUrlCommand) {
-        self.request_ids.append("Hi")
-
-        for request_id in self.request_ids {
-            print(request_id)
+        var port = 8080
+        let portArgument = command.argument(at: 0)
+        
+        if portArgument != nil {
+            port = portArgument as! Int
         }
-
+        self.webServer.start(withPort: UInt(port), bonjourName: nil)
+        let pluginResult = CDVPluginResult(status: CDVCommandStatus_OK)
+        self.commandDelegate!.send(pluginResult, callbackId: command.callbackId)
+    }
+    
+    func stop(_ command: CDVInvokedUrlCommand) {
+        if self.webServer.isRunning {
+            self.webServer.stop()
+        }
+        print("Stopping webserver")
         let pluginResult = CDVPluginResult(status: CDVCommandStatus_OK)
         self.commandDelegate!.send(pluginResult, callbackId: command.callbackId)
     }