add node modules to repo

node_modules/fs-extra/docs/move-sync.md

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+# moveSync(src, dest, [options])
+
+Moves a file or directory, even across devices.
+
+- `src` `<String>`
+- `dest` `<String>`
+- `options` `<Object>`
+  - `overwrite` `<boolean>`: overwrite existing file or directory, default is `false`.
+
+## Example:
+
+```js
+const fs = require('fs-extra')
+
+fs.moveSync('/tmp/somefile', '/tmp/does/not/exist/yet/somefile')
+```
+
+**Using `overwrite` option**
+
+```js
+const fs = require('fs-extra')
+
+fs.moveSync('/tmp/somedir', '/tmp/may/already/existed/somedir', { overwrite: true })
+```