[zshrc] autoupdate checks causing QoL annoyance when without internet

Overview

When executing device is not connected to a network, an undesirable series of events happens after curl is unable to resolve host gh.zod.tf, resulting in a sudo prompt for password that must be ctrl + C terminated to return to a normal shell.

Solution

To fix this, the autoupdate checks must be wrapped in checks for network connectivity, and if none is found, they should be skipped.

Example Output

If someone else wants to fix this, go for it!

_{I'm gonna have to fix this most definitely}