Add make hugo target to export to the website

Makefile

@@ -0,0 +1,13 @@
+.PHONY: help hugo
+
+help:
+	@echo "Usage: make <command>"
+	@echo "  hugo    - Export the org files to the Hugo website (~/Sites/website)"
+
+hugo:
+	@files=$$(grep -rli --include='*.org' --exclude-dir=.git '^#+hugo_base_dir:' . | sort); \
+	if [ -z "$$files" ]; then echo "No Org file with #+hugo_base_dir found"; exit 1; fi; \
+	for f in $$files; do \
+		echo "==> Exporting $$f"; \
+		emacsclient -e "(with-current-buffer (find-file-noselect \"$(CURDIR)/$${f#./}\") (org-hugo-export-wim-to-md))" > /dev/null || exit 1; \
+	done