🐛 Install script doesnt work on a mac

[mt-deva]

Describe the bug
When running the install script on a mac, the AlgoRun banner is interpreted as commands rather than white space

To Reproduce
Steps to reproduce the behavior:

1. On a mac, run curl -fsSL https://raw.githubusercontent.com/algorandfoundation/algorun-tui/refs/heads/main/install.sh | bash

Expected behavior
The install script to run

Screenshots

Additional context
I fixed this, but dont have permissions to open a PR. Just needs to be

BANNER='   _____  .__                __________
  /  _  \ |  |    ____   ____\______   \__ __  ____
 /  /_\  \|  |   / ___\ /  _ \|       _/  |  \/    \
/    |    \  |__/ /_/  >  <_> )    |   \  |  /   |  \
\____|__  /____/\___  / \____/|____|_  /____/|___|  /
        \/     /_____/               \/           \/ '
        ```

[PhearZero]

Thank you so much @mt-deva 🙏