lxc-top: add page (#17595)

Co-authored-by: K.B.Dharun Krishna <[email protected]>

Author: Managor

pages/linux/lxc-top.md

@@ -0,0 +1,16 @@
+# lxc-top
+
+> Display resource usage of LXC containers.
+> More information: <https://linuxcontainers.org/lxc/manpages/man1/lxc-top.1.html>.
+
+- Start `lxc-top`:
+
+`lxc-top`
+
+- Adjust update interval:
+
+`lxc-top {{[-d|--delay]}} {{5}}`
+
+- Sort by [n]ame, [c]pu use, [b]lock I/O, [m]emory, or [k]ernel memory:
+
+`lxc-top {{[-s|--sort]}} {{n|c|b|m|k}}`