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

tldr/windows/gpupdate

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, windows]
+source: https://github.com/tldr-pages/tldr.git
+---
+# gpupdate
+
+> A tool to check and apply Windows Group Policy settings.
+> More information: <https://learn.microsoft.com/windows-server/administration/windows-commands/gpupdate>.
+
+- Check and apply updated Group Policy settings:
+
+`gpupdate`
+
+- Specify the target Group Policy settings to check for update:
+
+`gpupdate /target:{{computer|user}}`
+
+- Force all Group Policy settings to be reapplied:
+
+`gpupdate /force`
+
+- Display help:
+
+`gpupdate /?`