add LICENSE, AUTHORS, update README

AUTHORS

@@ -0,0 +1 @@
+AJ ONeal <aj@therootcompany.com> (https://therootcompany.com)

LICENSE

@@ -0,0 +1,22 @@
+The MIT License (MIT)
+
+Copyright (c) 2020 The vfscopy Authors
+Copyright (c) 2018 otiai10
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

README.md

@@ -4,6 +4,9 @@ Copy a Virtual FileSystem, such as
 [http.FileSystem](https://golang.org/pkg/net/http/#FileSystem),
 recursively to a native file system destination.
 
+Works with any file system that implements http.FileSystem,
+such as `vfsgen`, `fileb0x`, `gobindata`.
+
 ```go
 httpfs := http.Dir("/tmp/public/")
 vfs := vfscopy.NewVFS(httpfs)
@@ -16,6 +19,17 @@ if err := Copy(vfs, ".", "/tmp/dst/"); nil != err {
 ## Test
 
 ```bash
+# Generate the test virtual file system
 go generate ./...
+
+# Run the tests
 go test ./...
 ```
+
+# License
+
+The MIT License (MIT)
+
+We used the recursive native file system copy implementation at
+https://github.com/otiai10/copy as a starting point and added
+virtual file system support.