feat(GCDWebServer): add plugin (#4302)

* add GCDWebServer

* fix plugin ref and add the server options interface

* fix the pluginRef's case

* update name

* add docs

src/@awesome-cordova-plugins/plugins/gcdwebserver/index.ts

@@ -0,0 +1,69 @@
+import { Injectable } from '@angular/core';
+import {
+  Plugin,
+  Cordova,
+  CordovaProperty,
+  CordovaInstance,
+  InstanceProperty,
+  AwesomeCordovaNativePlugin,
+} from '@awesome-cordova-plugins/core';
+
+export interface ServerOptions {
+  port?: number;
+  folder?: string;
+}
+
+/**
+ * @name gcdwebserver
+ * @description
+ * This plugin can start an HTTP server using GCDWebServer
+ *
+ * @usage
+ * ```typescript
+ * import { GCDWebServer } from '@awesome-cordova-plugins/gcdwebserver';
+ *
+ *
+ * constructor(private gcdwebserver: GCDWebServer) { }
+ *
+ * ...
+ *
+ *
+ * await this.gcdwebserver.startServer({});
+ * 
+ *
+ * ```
+ */
+@Plugin({
+  pluginName: 'gcdwebserver',
+  plugin: 'cordova-plugin-gcdwebserver',
+  pluginRef: 'cordova.plugins.GCDServer',
+  repo: 'https://github.com/xulihang/cordova-plugin-gcdwebserver',
+  install: '',
+  installVariables: [],
+  platforms: ['iOS'],
+})
+@Injectable()
+export class GCDWebServer extends AwesomeCordovaNativePlugin {
+  /**
+   * start the server
+   * @param options {ServerOptions}
+   * @return {Promise<any>} Returns a promise
+   */
+  @Cordova({
+    successIndex: 1,
+    errorIndex: 2
+  })
+  startServer(options: ServerOptions): Promise<any> {
+    return;
+  }
+
+  /**
+   * stop the server
+   * @return {Promise<any>} Returns a promise
+   */
+  @Cordova({ successIndex: 1, errorIndex: 2 })
+  stopServer(): Promise<any> {
+    return;
+  }
+
+}