with 6 configurations, including 3 with T4 GPU (g4dn.xlarge)

t2.small:
    20.04: ami-04bad3c587fe60d89
    22.04: ami-03c983f9003cb9cd1
	24.04: ami-0406d1fdd021121cd

g4dn.xlarge:
    20.04: ami-04bad3c587fe60d89
    22.04: ami-03c983f9003cb9cd1
	24.04: ami-0406d1fdd021121cd

- changed default image to ami-03c983f9003cb9cd1 (22.04 / Python 3.10)
- added g4dn.xlarge as an option to prompt EC2_TYPE
- fixed typo in prompt REGION
- get default blockdevice name and set size to 16GB instead of 8GB
- install apt package nvidia-driver-535-server if GPU found
- run modprobe nvidia to avoid reboot if GPU found
- adding ~/.local/bin to PATH
- add --break-system-packages to pip install (required by Python 3.12)
- add --no-cache-dir to pip install to avoid disk space issues
- add @reboot cronjob to ensure nvflare is restarted after a server (re)start

…y 8GB