REDDIT_USER_AGENT="Reddit Mastodon Crossposter" REDDIT_AUTH_URL="" REDDIT_AUTH_TOKEN="" REDDIT_REFRESH_TOKEN="" REDDIT_CLIENT_ID="" REDDIT_CLIENT_SECRET="" MASTODON_URL="" MASTODON_EMAIL="" MASTODON_PASSWORD="" MASTODON_USER_ID="" MASTODON_APP_NAME="" MASTODON_USER_SECRET="usercred.secret" MASTODON_CLIENT_SECRET="clientcred.secret"