add why Newnet to Wiki

wiki/source/irc-network-change.md

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+---
+title: Why tilde.club uses NewNet
+author: deepend
+category: tilde.club
+---
+
+## Why is the main #club IRC channel on NewNet instead of tilde.chat?
+
+It's a fair question, especially if you're new to the tildeverse. The
+[tildeverse](https://tildeverse.org/) is a collection of independently run
+tilde communities, not a single server or IRC network. tilde.club was
+around before the tildeverse came along, and for a while our main `#club`
+channel was on [tilde.chat](https://tilde.chat).
+
+**From deepend:** NewNet was the first IRC network I ever used, long before
+I was involved with running tilde.club. When I eventually took over
+[NewNet](https://newnet.net), I wanted to put my time and effort into
+that network.
+
+There were also differences in how I thought an IRC network should be run.
+I prefer a more relaxed approach, where people have room to talk without
+feeling like every conversation is being scrutinized. That doesn't mean
+anything goes or that moderation isn't necessary. I just believe in
+using some common sense and giving people room to be themselves.
+
+Rather than try to change how another network was run, I decided to focus
+on running NewNet the way I thought it should be run. That's really all
+there is to it.
+
+We're still part of the broader tildeverse community. There's no need to
+pick one network over another, and everyone is welcome to hang out on both.
+Our main channel is `#club` on **irc.newnet.net**, port **6697 (TLS)**.
+You can also run `chat` from your tilde.club shell account. See the
+[IRC guide](irc.html) for other ways to connect.