ctop: add page (#12683)

Co-authored-by: CleanMachine1 <78213164+CleanMachine1@users.noreply.github.com>
Co-authored-by: spageektti <git@spageektti.cc>

pages/linux/ctop.md

@@ -0,0 +1,20 @@
+# ctop
+
+> Instantly visualize container performance and health with real-time metrics on CPU, memory, and block IO usage.
+> More information: <https://github.com/bcicen/ctop>.
+
+- Show only [a]ctive containers:
+
+`ctop -a`
+
+- [r]everse the container sort order:
+
+`ctop -r`
+
+- [i]nvert the default colors:
+
+`ctop -i`
+
+- Display [h]elp:
+
+`ctop -h`