Trailspace plugin to highlight trailing whitespaces

lua/plugins/mini.lua

@@ -33,6 +33,11 @@ return { -- Collection of various small independent plugins/modules
     -- as well as # and * searches
     require('mini.cursorword').setup()
 
+    -- Trailspace: highlight trailing whitespace
+    -- Trim all trailing whitespace with MiniTrailspace.trim().
+    -- Trim all trailing empty lines with MiniTrailspace.trim_last_lines().
+    require('mini.trailspace').setup()
+
     -- Simple and easy statusline.
     --  You could remove this setup call if you don't like it,
     --  and try some other statusline plugin