Apache License

Added the apache license to all source files, accounting for authors. Also added a license.md containing the apache license + contributors.md listing all contributors.

src/driver/storage/asfs.pas

@@ -1,3 +1,17 @@
+//  Copyright 2021 Aaron Hance
+//
+//  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.
+
 { ************************************************
   * Asuro
   * Unit: Drivers/storage/asfs