Add 2 automatical fixers glocally.

vimrc.d/32-ale.vim

@@ -4,5 +4,14 @@
 " You should not turn this setting on if you wish to use ALE as a completion
 " source for other completion plugins, like Deoplete.
 packadd! ale
+
+" Enable ale completion
 let g:ale_completion_enabled = 1
 set omnifunc=ale#completion#OmniFunc
+
+" Enable some ale fixers globally
+let g:ale_fixers = {
+\   '*': ['remove_trailing_lines', 'trim_whitespace'],
+\}
+" fix when save
+let g:ale_fix_on_save = 1