[Makefile] added pipenv venv setup script to the build process

Author: chrissimpkins

Makefile

@@ -6,6 +6,7 @@ archives:
 build: ttf webfonts
 
 build-with-dependencies: source/*.ufo
+	./build-pipenv.sh
 	./build-ttf.sh --install-dependencies
 	./build-woff.sh --install-dependencies
 	./build-woff2.sh --install-dependencies
@@ -16,19 +17,22 @@ css:
 
 lint: shellcheck ufolint
 
-shellcheck: build-ttf.sh build-woff.sh build-woff2.sh build-subsets.sh tools/scripts/install/ttfautohint-build.sh postbuild_processing/archive_prep/archiver.sh tools/scripts/css/css-build.sh
+shellcheck: build-pipenv.sh build-ttf.sh build-woff.sh build-woff2.sh build-subsets.sh tools/scripts/install/ttfautohint-build.sh postbuild_processing/archive_prep/archiver.sh tools/scripts/css/css-build.sh
 	$@ $^
 
 subsets: source/*.ufo
+	./build-pipenv.sh
 	./build-subsets.sh
 
 ttf:
+	./build-pipenv.sh
 	./build-ttf.sh
 
 ufolint: source/*.ufo
 	$@ $^
 
 webfonts:
+	./build-pipenv.sh
 	./build-woff.sh
 	./build-woff2.sh
 	./build-subsets.sh