Base URL on package information

Signed-off-by: Fini Jastrow <[email protected]>

Makefile

@@ -14,7 +14,7 @@ export FONT_NAME=$(name)
 export OUTPUT_DIR=$(dest)
 export JSON_FILE=$(json_file)
 export COPYRIGHT=Copyright (c) $(date '+%Y'), Lukas W
-export VENDORURL=https://github.com/lukas-w/font-logos
+export VENDORURL=$(shell jq -r .homepage package.json)
 
 all_files=$(font_assets) $(dest)/$(name).css $(dest)/preview.html $(dest)/readme-header.png README.md