Added padding to make the widgets less jumpy

src/widgets/3_cpu.lua

@@ -4,7 +4,7 @@ local wibox = require('wibox')
 local cpu = lain.widget.cpu({
     settings = function()
         -- luacheck: globals widget cpu_now
-        widget:set_text(cpu_now.usage .. '%')
+        widget:set_text(string.format('%3d%%', cpu_now.usage))
     end,
 })
 

src/widgets/4_mem.lua

@@ -5,7 +5,7 @@ local theme = require('src.theme')
 local memory = lain.widget.mem({
     settings = function()
         -- luacheck: globals widget mem_now
-        widget:set_text(mem_now.used .. 'M')
+        widget:set_text(string.format('%5dM', mem_now.used))
     end,
 })
 

src/widgets/6_net.lua

@@ -6,8 +6,8 @@ local netdowninfo = wibox.widget.textbox()
 local netupinfo = lain.widget.net({
     settings = function()
         -- luacheck: globals widget net_now
-        widget:set_text(net_now.sent)
-        netdowninfo:set_text(net_now.received)
+        widget:set_text(string.format('%7.2f', net_now.sent))
+        netdowninfo:set_text(string.format('%8.2f', net_now.received))
     end,
 })