feat(ptreodactyl): new egg (#515)

* Leave exposing ports to the compose/run setup

* Add pterodactyl egg and adjust the start script for working in ro overlay2 setups

* Update egg-discord-tickets-bot.json

scripts/start.sh

@@ -1,6 +1,10 @@
 #!/usr/bin/env sh
 
-if [ "$DOCKER" = "true" ]; then
+if [ "$PTERODACTYL" = "true" ]; then
+    rm -rf /home/container/app
+    cp -R /app /home/container/
+    base_dir="/home/container/app"
+elif [ "$DOCKER" = "true" ]; then
     base_dir="/app"
 else
     source="${BASH_SOURCE}"