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

tldr/windows/msg

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, windows]
+source: https://github.com/tldr-pages/tldr.git
+---
+# msg
+
+> Send a message to a user or session.
+> More information: <https://learn.microsoft.com/windows-server/administration/windows-commands/msg>.
+
+- Send a message to a specified user or session:
+
+`msg {{username|session_name|session_id}} {{message}}`
+
+- Send a message from `stdin`:
+
+`echo "{{message}}" | msg {{username|session_name|session_id}}`
+
+- Send a message to a specific server:
+
+`msg /server:{{server_name}} {{username|session_name|session_id}}`
+
+- Send a message to all users of the current machine:
+
+`msg *`
+
+- Set a delay in seconds for a message:
+
+`msg /time:{{10}}`