New example conversation demoing various features

[nickvergessen]

How to use GitHub

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• Content to be provided by Marketing
• Samples:
  • Reference widget
  • Embedded image
  • Text/PDF
  • Only from sample files app

[Antreesy]

Should be similar to Changelog (Talk updates), but without locking of interaction?

[jancborchardt]

Another relevant thing here could be to show off the formatting as well, at least in one of the messages. (And other things like polls.)

[nickvergessen]

Title

💡 Let's get started!

## ⚙️ Manage conversation settings

In the conversation menu, you can access various settings to manage your conversations, such as:
* Edit conversation info
* Manage notifications
* Apply various moderation rules 
* Configure access and security 
* Enable bots
* and more!

## 🎨 Format texts to create rich messages

In Nextcloud Talk, you can use markdown commands to format your messages. For example, apply **bold** or *italic* formatting, or `highlight texts as code`. You can even create tables and add headings to your text. 

Need to fix a typo or change formatting? Edit your message by clicking "Edit message" in the message menu.

## 🔗 Add attachments and links

Attach any files from your Nextcloud Hub via "+" button. Link files and items from different apps in your messages. Some apps support interactive widgets, for example, Nextcloud Deck:

⁉️⁉️⁉️ (link to Text file instead?)

## 💭 Let the conversations flow: mention users, react to messages and more

You can mention everybody in a the conversation @all or mention specific participants by typing "@" and picking their name from the list.

> REPLY TO PREVIOUS MESSAGE

You can reply to messages, forward them to other chats and people, or copy message content.

## 💡 Do more with Smart Picker

You can configure Smart Picker apps to attach various content to your messages like GIFs, map locations or items from other core Nextcloud apps, or use various AI features. 

To get started, access Smart Picker via attachment menu or simply type "/".

[nickvergessen]

• Option to disable and overwrite should be added
• It's okay when our sample is "rich" (has reply, etc.) and custom ones can not
• check with groupware and office