add static file copy

Makefile

@@ -4,8 +4,13 @@ PAGESDIR ?= pages
 DATADIR  ?= data
 TEMPLATE ?= $(DATADIR)/template.html
 
+STATICEXTS := yaml
+
 PAGES != find $(PAGESDIR) -name '*.md'
-OUTPUTPAGES = $(patsubst $(PAGESDIR)/%.md,$(BUILDDIR)/%.html,$(PAGES))
+STATICS != parallel find $(PAGESDIR) -name '\*.{}' ::: $(STATICEXTS)
+OUTPUTPAGES = \
+  $(patsubst $(PAGESDIR)/%.md,$(BUILDDIR)/%.html,$(PAGES)) \
+  $(patsubst $(PAGESDIR)/%,$(BUILDDIR)/%,$(STATICS))
 
 STYLE != find style -type f
 OUTPUTSTYLE = $(patsubst %,$(BUILDDIR)/%,$(STYLE))
@@ -23,7 +28,12 @@ build: $(OUTPUT)
 
 $(BUILDDIR)/%.html: $(PAGESDIR)/%.md $(TEMPLATE) $(LANGFILTER)
 	mkdir -p $(dir $@)
-	pandoc -s --toc --template $(TEMPLATE) --filter $(LANGFILTER) -o $@ $<
+	pandoc -s --toc --template $(TEMPLATE) \
+	  --filter $(LANGFILTER) -o $@ $<
+
+$(BUILDDIR)/%: $(PAGESDIR)/%
+	mkdir -p $(dir $@)
+	cp $< $@
 
 $(BUILDDIR)/%: %
 	mkdir -p $(dir $@)