add html pages format

Makefile

@@ -38,7 +38,8 @@ public/:
 	mkdir $@
 
 $(pages): public/%.html: %.md | public/
-	lowdown $< > $@
+	sed 's/\(\[.*\)\(.*\)\.md)/\1)/g' $< |\
+	lowdown -m filename=$(basename $@) -s --template default.html > $@
 
 .PHONY: clean
 clean: