update Makefile with web font builds and shellcheck linting of new build-woff.sh + build-woff2.sh shell scripts

Makefile

@@ -1,12 +1,16 @@
 build: source/*.ufo
 	./build.sh
+	./build-woff.sh
+	./build-woff2.sh
 
-build-with-dependencies: source/*.ufo
+build-with-dependencies: source/*.ufo build/ttf/*.ttf
 	./build.sh --install-dependencies
+	./build-woff.sh --install-dependencies
+	./build-woff2.sh --install-dependencies
 
 lint: shellcheck ufolint
 
-shellcheck: build.sh
+shellcheck: build.sh build-woff.sh build-woff2.sh
 	$@ $^
 
 ufolint: source/*.ufo