allow usage of ngrok flag

[ackl]

need to invoke launch.py instead of webui.py as it contains logic for automatically installing ngrok pip module

[Cyberes]

I've heard rumors of Paperspace not allowing the use of reverse proxies like this. I'll shoot them an email to confirm.

[ackl]

yh i saw ur comment on https://github.com/AUTOMATIC1111/stable-diffusion-webui/pull/1589#issuecomment-1272383605 - i personally have been using ngrok tunnelling almost daily for the last ~2 months on paperspace with absolutely no issues (altho i am not on the free tier)

[Cyberes]

It might have something to do with the free tier.

[ackl]

i'd imagine so - prolly they are more stringent on free tier if phishers etc are abusing it in conjunction with ngrok. happy to park this PR until u get more clarity from paperspace about their policies. it's just a very minor QoL improvement for my own workflow

[Cyberes]

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rip

[Cyberes]

What I've been using instead of ngrok is rathole: https://github.com/rapiz1/rathole I host it on my cloud VPS.