btop: add page; bpytop: move to common, update page (#10425)

pages/common/bpytop.md

@@ -0,0 +1,29 @@
+# bpytop
+
+> A resource monitor that shows information about the CPU, memory, disks, network and processes.
+> A Python version of `bashtop`.
+> More information: <https://github.com/aristocratos/bpytop>.
+
+- Start `bpytop`:
+
+`bpytop`
+
+- Start in minimal mode without memory and networking boxes:
+
+`bpytop -m`
+
+- Show version:
+
+`bpytop -v`
+
+- Toggle minimal mode:
+
+`m`
+
+- Search for running programs or processes:
+
+`f`
+
+- Change settings:
+
+`M`