lstopo: add page (#12785)

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

pages/common/lstopo.md

@@ -0,0 +1,24 @@
+# lstopo
+
+> Show the hardware topology of the system.
+> More information: <https://manned.org/lstopo>.
+
+- Show the summarized system topology in a graphical window (or print to console if no graphical display is available):
+
+`lstopo`
+
+- Show the full system topology without summarizations:
+
+`lstopo --no-factorize`
+
+- Show the summarized system topology with only [p]hysical indices (i.e. as seen by the OS):
+
+`lstopo --physical`
+
+- Write the full system topology to a file in the specified format:
+
+`lstopo --no-factorize --output-format {{console|ascii|tex|fig|svg|pdf|ps|png|xml}} {{path/to/file}}`
+
+- Output in monochrome or greyscale:
+
+`lstopo --palette {{none|grey}}`