check-support-status: add page (#3629)

pages/linux/check-support-status.md

@@ -0,0 +1,16 @@
+# check-support-status
+
+> Identify installed Debian packages for which support has had to be limited or prematurely ended.
+> More information: <https://manpages.debian.org/buster/debian-security-support/check-support-status.1.en.html>.
+
+- Display packages whose support is limited, has already ended or will end earlier than the distribution's end of life:
+
+`check-support-status`
+
+- Display only packages whose support has ended:
+
+`check-support-status --type {{ended}}`
+
+- Skip printing a headline:
+
+`check-support-status --no-heading`