Add commands/docs/registry.md (#2033)

Author: hustcer

commands/docs/registry.md

@@ -0,0 +1,36 @@
+---
+title: registry
+categories: |
+  system
+version: 0.107.0
+system: |
+  Various commands for interacting with the system registry (Windows only).
+usage: |
+  Various commands for interacting with the system registry (Windows only).
+editLink: false
+contributors: false
+---
+<!-- This file is automatically generated. Please edit the command in https://github.com/nushell/nushell instead. -->
+
+# `registry` for [system](/commands/categories/system.md)
+
+<div class='command-title'>Various commands for interacting with the system registry (Windows only).</div>
+
+## Signature
+
+```> registry {flags} ```
+
+
+## Input/output types:
+
+| input   | output |
+| ------- | ------ |
+| nothing | string |
+## Notes
+You must use one of the following subcommands. Using this command as-is will only produce this help message.
+
+## Subcommands:
+
+| name                                                 | description                 | type     |
+| ---------------------------------------------------- | --------------------------- | -------- |
+| [`registry query`](/commands/docs/registry_query.md) | Query the Windows registry. | built-in |