helix: Make non visible characters visible

I always don't see the trailing spaces, and want to see them now.

helix/config.toml

@@ -1,2 +1,10 @@
 theme = "jeenas"
 editor.rulers = [80]
+
+[editor.whitespace]
+render = "all"
+
+[editor.whitespace.characters]
+space = "·"
+tab = "→"
+newline = "↵"

wlogout/layout

@@ -7,7 +7,7 @@
 {
     "label" : "hibernate",
     "action" : "systemctl hibernate",
-    "text" : "Hibernate",
+    "text" : "Hibernate (SSD)",
     "keybind" : "h"
 }
 {
@@ -25,7 +25,7 @@
 {
     "label" : "suspend",
     "action" : "systemctl suspend",
-    "text" : "Suspend",
+    "text" : "Suspend (RAM)",
     "keybind" : "u"
 }
 {