add script to fetch fonts from github:google/fonts

assets/fonts/.gitignore

@@ -0,0 +1 @@
+*.ttf

assets/fonts/fetch.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+FORCE=0
+if [[ "${1:-}" == "--force" ]]; then
+  FORCE=1
+fi
+
+BASE_URL="https://github.com/google/fonts/raw/refs/heads/main/"
+
+declare -A FONTS=(
+  ["Roboto.ttf"]="ofl/roboto/Roboto%5Bwdth,wght%5D.ttf"
+  ["NotoSans.ttf"]="ofl/notosans/NotoSans%5Bwdth,wght%5D.ttf"
+  ["NotoSansSC.ttf"]="ofl/notosanssc/NotoSansSC%5Bwdth,wght%5D.ttf"
+)
+
+for filename in "${!FONTS[@]}"; do
+  font_path="${FONTS[$filename]}"
+  url="${BASE_URL}${font_path}"
+
+  if [[ -f "$filename" && $FORCE -eq 0 ]]; then
+      echo "Skipping $filename (already exists)"
+  fi
+
+  echo "Fetching $filename from $url"
+  curl -L "$url" -o "$filename"
+done