create ‘.env’ and ‘.env.sample’ and let’s track ‘.env’ with ‘.gitignore’

example, .env.sample

API_KEY="sk-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
BOT_API="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"

main code implementation,

import os
from dotenv import load_dotenv
 
load_dotenv()
API_KEY = os.getenv("API_KEY")
BOT_API = os.getenv("BOT_API")