feat: use variable fonts with subsetting (#2817)

Co-authored-by: Dominik Pschenitschni <mail@celement.de>
Reviewed-on: https://kolaente.dev/vikunja/frontend/pulls/2817
Co-authored-by: Dominik Pschenitschni <dpschen@noreply.kolaente.de>
Co-committed-by: Dominik Pschenitschni <dpschen@noreply.kolaente.de>

scripts/fonts-download.sh

@@ -0,0 +1,56 @@
+#!/bin/sh
+set -e
+
+#
+# This script downloads our original font files from their source repos
+# and puts them in our originalMedia folder.
+#
+
+err_report() {
+  echo "Error on line $(caller)" >&2
+}
+
+trap err_report ERR
+
+ORIGINAL_FONTS_DIR="./originalMedia/fonts"
+
+# update these if there is a new version
+FONT_URLS=(
+"https://github.com/googlefonts/opensans/blob/27d060e1aad6886daeda67629ee28189f795f534/fonts/variable/OpenSans%5Bwdth%2Cwght%5D.ttf?raw=true"
+"https://github.com/googlefonts/opensans/blob/27d060e1aad6886daeda67629ee28189f795f534/fonts/variable/OpenSans-Italic%5Bwdth%2Cwght%5D.ttf?raw=true"
+"https://github.com/andrew-paglinawan/QuicksandFamily/blob/db6de44878582966f45a0debaef10d57108d93a7/fonts/Quicksand%5Bwght%5D.ttf?raw=true"
+)
+
+
+echo ""
+echo "###################################################"
+echo "# Download font files"
+echo "###################################################"
+echo ""
+
+mkdir -p $ORIGINAL_FONTS_DIR
+
+for URL in ${FONT_URLS[@]}; do
+	wget -L $URL \
+		--directory-prefix=$ORIGINAL_FONTS_DIR \
+		--quiet \
+		--timestamping \
+		--show-progress
+done
+
+echo ""
+echo "###################################################"
+echo "# Remove '?raw=true' filename suffix"
+echo "###################################################"
+echo ""
+
+# Iterate over all files in directory with filetype ending in "?raw=true"
+for file in $ORIGINAL_FONTS_DIR/*?raw=true; do
+	# Remove "?raw=true" from file name and store in variable
+	new_name=$(echo $file | sed 's/?raw=true//')
+
+	# Overwrite existing file with new name
+	mv -v $file $new_name
+done
+
+echo "Renaming files complete"