add get_system_info function

community/sys-info-widget.lua

@@ -0,0 +1,32 @@
+-- name = "System info"
+
+ticks = -1
+
+function on_tick()
+  -- Update one time per 10 seconds
+  ticks = ticks + 1
+  if ticks % 10 ~= 0 then
+    return
+  end
+
+  ticks = 0
+
+  local info = system:get_system_info()
+  local strings = stringify_table(info)
+
+  ui:show_lines(strings)
+end
+
+function stringify_table(tab)
+  local new_tab = {}
+
+  for k,v in pairs(tab) do
+    table.insert(new_tab, capitalize(k):replace("_", " ")..": "..tostring(v))
+  end
+
+  return new_tab
+end
+
+function capitalize(string)
+  return string:gsub("^%l", string.upper)
+end