add emoji downloader script

.gitignore

@@ -1 +1,2 @@
 /target
+/frontend/emojis/*

scripts/get_emojis.sh

@@ -0,0 +1,23 @@
+#!/bin/sh
+set -eu
+
+# Get guild ID
+if [ ! "$1" ];then
+   echo "You need to provide a Discord Guild ID."
+   exit 1
+else
+   guild="$1"
+fi
+
+# Get emoji folder
+emojiFolder="$(readlink -f "$(dirname $0)/../frontend/emojis/")"
+
+# Get Discord token
+printf "Token: " 1>&2
+trap 'stty echo' INT EXIT
+stty -echo
+read token
+printf "\n" 1>&2
+stty echo
+
+curl "https://discord.com/api/v9/guilds/${guild}/emojis" -H "Authorization: $token"  |  jq --raw-output 'map("curl '"'"'https://cdn.discordapp.com/emojis/" + .id + ".png?size=48&quality=lossless'"'"' -o '"'${emojiFolder}/"'" + .name + ".png'"'"'") | join("\n")' | sh