Added images for main board

hardware/main/Makefile

@@ -1,4 +1,35 @@
-all: Parts.md
+all: Parts.md schematic board
 
 Parts.md: parts
 	ruby ../partslist/parts.rb
+
+schematic: bristol_longshot.sch.pdf bristol_longshot.sch.png
+board: bristol_longshot.brd.pdf bristol_longshot.brd.png
+
+#
+# PNG from .sch
+#
+%.sch.png: %.sch
+	rm -f $@
+	eagle -C "export image $@ 600; display all; quit" $<
+#
+# PDF from .sch
+# 1 page lanscape
+#
+%.sch.pdf: %.sch
+	rm -f $@
+	eagle -C "print -1 landscape file $@; quit" $<
+#
+# PNG from .brd
+# Ratsnest, maximum dpi
+#
+%.brd.png: %.brd
+	rm -f $@
+	eagle -C "ratsnest; export image $@ 2400; display all; quit" $<
+#
+# PDF from .brd
+# -1 limits to one page
+#
+%.brd.pdf: %.brd
+	rm -f $@
+	eagle -C "ratsnest; print 100 -1 file $@; quit" $<