Add Slack Channel list to Contribute page

[mouxdesign]

Describe your content request

Link to the page Contribute Page

Why would you like to change the content? Add a list of the current Slack channels as well as a description of each so that that the guide also links back to Slack and there is an overview of the current channels.

Notes

• The list is currently in a rough form, including the channel descriptions, they have been taken straight from Slack.
• Will add a list here as well of Channels on Slack that are currently inactive/not very active

1. Bitcoin core gui
2. Bitcoin core gui preview
3. Bitcoin core qml
4. Onboarding
5. Payments
6. Private Key Management
7. Project Ideas
8. Sustainability

Google Doc with list of channels and descriptions

Doc