refactor: change .env to be dotenv (#1341)

dotenv-example

@@ -0,0 +1,115 @@
+# ** All configuration variables are optional **
+# Copy this file and name it as `dotenv` (without backticks)
+# Read https://jef.codes/streetmerchant/getting-started/#customization for help on customizing this file
+########################################################################################################
+
+ASCII_BANNER=""
+ASCII_COLOR=""
+AUTO_ADD_TO_CART=""
+BROWSER_TRUSTED=""
+COUNTRY=""
+DESKTOP_NOTIFICATIONS=""
+DISCORD_NOTIFY_GROUP=""
+DISCORD_NOTIFY_GROUP_3060TI=""
+DISCORD_NOTIFY_GROUP_3070=""
+DISCORD_NOTIFY_GROUP_3080=""
+DISCORD_NOTIFY_GROUP_3090=""
+DISCORD_NOTIFY_GROUP_CORSAIR_SF=""
+DISCORD_NOTIFY_GROUP_RX6800=""
+DISCORD_NOTIFY_GROUP_RX6800XT=""
+DISCORD_NOTIFY_GROUP_RX6900XT=""
+DISCORD_NOTIFY_GROUP_RYZEN5600=""
+DISCORD_NOTIFY_GROUP_RYZEN5800=""
+DISCORD_NOTIFY_GROUP_RYZEN5900=""
+DISCORD_NOTIFY_GROUP_RYZEN5950=""
+DISCORD_NOTIFY_GROUP_SONYPS5C=""
+DISCORD_NOTIFY_GROUP_SONYPS5DE=""
+DISCORD_NOTIFY_GROUP_TEST=""
+DISCORD_WEB_HOOK=""
+EMAIL_PASSWORD=""
+EMAIL_TO=""
+EMAIL_USERNAME=""
+HEADLESS=""
+IN_STOCK_WAIT_TIME=""
+LOG_LEVEL=""
+LOW_BANDWIDTH=""
+MAX_PRICE_SERIES_3060TI=""
+MAX_PRICE_SERIES_3070=""
+MAX_PRICE_SERIES_3080=""
+MAX_PRICE_SERIES_3090=""
+MAX_PRICE_SERIES_CORSAIR_SF=""
+MAX_PRICE_SERIES_RX6800=""
+MAX_PRICE_SERIES_RX6800XT=""
+MAX_PRICE_SERIES_RX6900XT=""
+MAX_PRICE_SERIES_RYZEN5600=""
+MAX_PRICE_SERIES_RYZEN5800=""
+MAX_PRICE_SERIES_RYZEN5900=""
+MAX_PRICE_SERIES_RYZEN5950=""
+MAX_PRICE_SERIES_SONYPS5C=""
+MAX_PRICE_SERIES_SONYPS5DE=""
+MAX_PRICE_SERIES_TEST=""
+MICROCENTER_LOCATION=""
+MQTT_BROKER_ADDRESS=""
+MQTT_BROKER_PORT=""
+MQTT_CLIENT_ID=""
+MQTT_PASSWORD=""
+MQTT_QOS=""
+MQTT_TOPIC=""
+MQTT_USERNAME=""
+NVIDIA_ADD_TO_CART_ATTEMPTS=""
+NVIDIA_SESSION_TTL=""
+OPEN_BROWSER=""
+PAGE_BACKOFF_MIN=""
+PAGE_BACKOFF_MAX=""
+PAGE_SLEEP_MIN=""
+PAGE_SLEEP_MAX=""
+PAGE_TIMEOUT=""
+PAGERDUTY_INTEGRATION_KEY=""
+PAGERDUTY_SEVERITY=""
+PHILIPS_HUE_API_KEY=""
+PHILIPS_HUE_CLOUD_ACCESS_TOKEN=""
+PHILIPS_HUE_CLOUD_CLIENT_ID=""
+PHILIPS_HUE_CLOUD_CLIENT_SECRET=""
+PHILIPS_HUE_CLOUD_REFRESH_TOKEN=""
+PHILIPS_HUE_LAN_BRIDGE_IP=""
+PHILIPS_HUE_LIGHT_COLOR=""
+PHILIPS_HUE_LIGHT_IDS=""
+PHILIPS_HUE_LIGHT_PATTERN=""
+PHONE_CARRIER=""
+PHONE_NUMBER=""
+PLAY_SOUND=""
+PROXY_ADDRESS=""
+PROXY_PROTOCOL=""
+PROXY_PORT=""
+PUSHBULLET=""
+PUSHOVER_EXPIRE=""
+PUSHOVER_RETRY=""
+PUSHOVER_TOKEN=""
+PUSHOVER_USER=""
+PUSHOVER_PRIORITY=""
+SCREENSHOT=""
+SHOW_ONLY_BRANDS=""
+SHOW_ONLY_MODELS=""
+SHOW_ONLY_SERIES=""
+SLACK_CHANNEL=""
+SLACK_TOKEN=""
+SMTP_ADDRESS=""
+SMTP_PORT=""
+STORES=""
+TELEGRAM_ACCESS_TOKEN=""
+TELEGRAM_CHAT_ID=""
+TWILIO_ACCOUNT_SID=""
+TWILIO_AUTH_TOKEN=""
+TWILIO_FROM_NUMBER=""
+TWILIO_TO_NUMBER=""
+TWITCH_ACCESS_TOKEN=""
+TWITCH_CHANNEL=""
+TWITCH_CLIENT_ID=""
+TWITCH_CLIENT_SECRET=""
+TWITCH_REFRESH_TOKEN=""
+TWITTER_ACCESS_TOKEN_KEY=""
+TWITTER_ACCESS_TOKEN_SECRET=""
+TWITTER_CONSUMER_KEY=""
+TWITTER_CONSUMER_SECRET=""
+TWITTER_TWEET_TAGS=""
+WEB_PORT=""