added script to download and serve fonts locally by default

localizefonts.sh

@@ -0,0 +1,10 @@
+#/bin/sh
+
+base='https://fonts\.(gstatic\.com|kavin\.rocks)'
+fonts=$(cat dist/assets/* | grep -Po "$base[^)]*" | sort | uniq)
+for font in $fonts; do
+	file="dist/fonts$(echo $font | sed "s#$base##")"
+	mkdir -p "$(dirname "$file")"
+	curl -L "$font" -o "$file"
+done
+sed -i "s#$base#/fonts#g" dist/assets/*