Show list of people currently streaming Rust dev

Prints a list of live streams from "science and technology" that has the search term in the title.

Usage:

# Searching gamedev
stream-search gamedev

# Searchign for rust (no search term falls back to "rust")
stream-search

Note: requires two env vars set to a valid OAuth token and client id:

TWITCH_TOKEN
TWITCH_CLIENT_ID