refactoring: polished some files, .env.example update

entrypoints/dev.sh

@@ -6,17 +6,17 @@ 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 "[+] 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
+python -m bot.main