make: use kicad-cli to render schematic

Makefile

@@ -1,5 +1,7 @@
 # project file name (use for schematic and board layout)
 NAME ?= template
+# path to KiCad CLI
+KICAD = kicad-cli-nightly
 # path to qeda
 QEDA := qeda
 # path to InteractiveHtmlBom
@@ -44,8 +46,7 @@ lib:
 
 # generate printable version (PDF) of schematic
 %.sch.pdf: %.versioned.kicad_sch %.versioned.kicad_pro
-	eeschema_do export $< .
-	mv $*.versioned.pdf $@
+	$(KICAD) sch export pdf --output $@ $<
 
 # generate render from layout (top side)
 %.brd-top.png: %.versioned.kicad_pcb