Add inccommand=split to settings (#207)

lua/settings.lua

@@ -1,5 +1,6 @@
 vim.cmd('set iskeyword+=-') -- treat dash separated words as a word text object"
 vim.cmd('set shortmess+=c') -- Don't pass messages to |ins-completion-menu|.
+vim.cmd('set inccommand=split') -- Make substitution work in realtime
 vim.o.hidden = O.hidden_files -- Required to keep multiple buffers open multiple buffers
 vim.wo.wrap = O.wrap_lines -- Display long lines as just one line
 vim.cmd('set whichwrap+=<,>,[,],h,l') -- move to next line with theses keys