Rename Proxy -> HttpProxy, add copyright header

Signed-off-by: Tom Richards <[email protected]>

.gitignore

@@ -5,3 +5,4 @@
 .idea/
 
 node_modules/
+package-lock.json

cometd-nodejs-client.d.ts

@@ -1,12 +1,27 @@
-export interface Proxy {
+/*
+ * Copyright (c) 2017-2020 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export interface HttpProxy {
   uri?: string;
   includes?: string[];
   excludes?: string[];
 }
 
 export interface Options {
   logLevel?: "debug" | "info";
-  httpProxy?: Proxy;
+  httpProxy?: HttpProxy;
 }
 
 export function adapt(options?: Options): void;