amended makefile to include metadata element of pagetitle on resume object

Makefile

@@ -23,7 +23,8 @@ html: init
 		pandoc --standalone --include-in-header $(STYLES_DIR)/$(STYLE).css \
 			--lua-filter=pdc-links-target-blank.lua \
 			--from markdown --to html \
-			--output $(OUT_DIR)/$$FILE_NAME.html $$f; \
+			--output $(OUT_DIR)/$$FILE_NAME.html $$f \
+			--metadata pagetitle=$$FILE_NAME;\
 	done
 
 docx: init