Move pages under tldr, lint run.sh, update docs

tldr/windows/cmdkey

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, windows]
+source: https://github.com/tldr-pages/tldr.git
+---
+# cmdkey
+
+> Create, show, and delete stored user names and passwords.
+> More information: <https://learn.microsoft.com/windows-server/administration/windows-commands/cmdkey>.
+
+- List all user credentials:
+
+`cmdkey /list`
+
+- Store credentials for a user that accesses a server:
+
+`cmdkey /add:{{server_name}} /user:{{user_name}}`
+
+- Delete credentials for a specific target:
+
+`cmdkey /delete {{target_name}}`