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

tldr/windows/reg-save

@@ -0,0 +1,17 @@
+---
+syntax: markdown
+tags: [tldr, windows]
+source: https://github.com/tldr-pages/tldr.git
+---
+# reg save
+
+> Save a registry key, its sub keys and values to a file.
+> More information: <https://learn.microsoft.com/windows-server/administration/windows-commands/reg-save>.
+
+- Save a registry key, its sub keys and values to a specific file:
+
+`reg save {{key_name}} {{path	oile}}`
+
+- Forcefully overwrite an existing file without a prompt:
+
+`reg save {{key_name}} {{path	oile}} /y`