Revert "Update releases/v1 with changes from master (#67)" (#68)

This reverts commit bdd6409dc1.

node_modules/@actions/io/README.md

@@ -0,0 +1,53 @@
+# `@actions/io`
+
+> Core functions for cli filesystem scenarios
+
+## Usage
+
+#### mkdir -p
+
+Recursively make a directory. Follows rules specified in [man mkdir](https://linux.die.net/man/1/mkdir) with the `-p` option specified:
+
+```
+const io = require('@actions/io');
+
+await io.mkdirP('path/to/make');
+```
+
+#### cp/mv
+
+Copy or move files or folders. Follows rules specified in [man cp](https://linux.die.net/man/1/cp) and [man mv](https://linux.die.net/man/1/mv):
+
+```
+const io = require('@actions/io');
+
+// Recursive must be true for directories
+const options = { recursive: true, force: false }
+
+await io.cp('path/to/directory', 'path/to/dest', options);
+await io.mv('path/to/file', 'path/to/dest');
+```
+
+#### rm -rf
+
+Remove a file or folder recursively. Follows rules specified in [man rm](https://linux.die.net/man/1/rm) with the `-r` and `-f` rules specified.
+
+```
+const io = require('@actions/io');
+
+await io.rmRF('path/to/directory');
+await io.rmRF('path/to/file');
+```
+
+#### which
+
+Get the path to a tool and resolves via paths. Follows the rules specified in [man which](https://linux.die.net/man/1/which).
+
+```
+const exec = require('@actions/exec');
+const io = require('@actions/io');
+
+const pythonPath: string = await io.which('python', true)
+
+await exec.exec(`"${pythonPath}"`, ['main.py']);
+```