insert missing copyright into apigeelintrc.js

lib/package/apigeelintrc.js

@@ -1,11 +1,18 @@
-// apigeelintrc.js
-// ------------------------------------------------------------------
-//
-// created: Mon Apr 15 18:14:54 2024
-// last saved: <2024-July-19 12:24:12>
+/*
+  Copyright © 2023-2024 Google LLC
 
-/* jshint esversion:9, node:true, strict:implied */
-/* global process, console, Buffer */
+  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
+
+      https://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.
+*/
 
 const os = require("os");
 const fs = require("fs");
@@ -32,7 +39,7 @@ const findRc = (settingsfiles, sourcedir) => {
   }
 
   return combine([sourcedir, ...locations], settingsfiles).find(
-    (candidate) => fs.existsSync(candidate) && fs.statSync(candidate).isFile()
+    (candidate) => fs.existsSync(candidate) && fs.statSync(candidate).isFile(),
   );
 };
 
@@ -57,5 +64,5 @@ const readRc = (settingsfiles, sourcedir) => {
 
 module.exports = {
   readRc,
-  findRc
+  findRc,
 };