tload: add page (#21863)

Co-authored-by: Ivan Baluta <ivanbaluta.dev@gmail.com>
Co-authored-by: Reinhart Previano Koentjoro <reinhart_previano@yahoo.com>
Co-authored-by: Wiktor Perskawiec <wiktor@perskawiec.cc>

pages/linux/tload.md

@@ -0,0 +1,21 @@
+# tload
+
+> Show system load average using ASCII art.
+> See also: `uptime`, `w`, `top`, `ps`.
+> More information: <https://manned.org/tload>.
+
+- Run tload:
+
+`tload`
+
+- Display a graph with a specific vertical scale (e.g. 10 for a 1:1 scale):
+
+`tload {{[-s|--scale]}} {{value}}`
+
+- Change the refresh rate for the graph:
+
+`tload {{[-d|--delay]}} {{seconds}}`
+
+- Display a graph for a specific terminal:
+
+`tload {{/dev/tty1}}`