feat: implement referral payment system and enhance ticket management

entrypoints/dev.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+set -e
+
+echo "[+] Formatting and checking..."
+echo
+ruff check --fix
+black .
+
+echo "[+] checking psql availability"
+if ! pg_isready -h localhost -p 5432 ; then
+    echo "psql is down." >&2
+    exit 1
+fi
+echo "[+] psql is available!"
+echo
+
+echo "[+] Running migrations..."
+echo
+alembic upgrade head
+
+echo "[+] Starting bot..."
+python main.py