Use v4 i3 config path/format (?)

Makefile

@@ -2,7 +2,8 @@ TOP_SOURCES := $(shell git ls-files | grep -vE 'README|Makefile|^config|^\.git|^
 CONFIG_SOURCES := $(shell git ls-files config)
 TARGETS := \
 	$(patsubst %,$(HOME)/.%,$(TOP_SOURCES)) \
-	$(patsubst %,$(HOME)/.%,$(CONFIG_SOURCES))
+	$(patsubst %,$(HOME)/.%,$(CONFIG_SOURCES)) \
+	$(HOME)/.config/i3/config
 
 $(HOME)/.%: %
 	$(RM) '$@' && mkdir -p $(dir $@) && ln -svf '$(PWD)/$^' '$@'
@@ -16,4 +17,5 @@ $(HOME)/.config:
 .PHONY: echo
 echo:
 	@echo TOP_SOURCES=$(TOP_SOURCES)
+	@echo CONFIG_SOURCES=$(CONFIG_SOURCES)
 	@echo TARGETS=$(TARGETS)