[IMPROVEMENT] - Break free from 0BDFDB

[rollingmoai]

Describe the solution you'd like
See #2 (comment):

Yeah, a rewrite to break free of the 0BDB library is a better way for showhiddenchannel to survive all the discord updates.

Here is a ShowHiddenChannels plugin rewritten from scratch that doesn't require BDFDB: https://github.com/Tharki-God/BetterDiscordPlugins/blob/master/ShowHiddenChannels.plugin.js

It even shows the channel topic:

Describe alternatives you've considered
None

Additional context

[phoriah]

You can use https://github.com/Farcrada/DiscordPlugins/blob/master/Channel-Permissions/ChannelPermissions.plugin.js in combination with Kaidd's https://github.com/Kaiddd/ShowHiddenChannels to achieve similar results.