Create Playground page

[jeffmaury]

A playground page should be added in the navigator bar (left)

That page should list existing playground sessions/conversation with a model and its inteference server

It should also be possible to create a new playground session from there

• feat: Playgrounds navigation #539
• Playground page #570
• refacto: create a ContentDetailsLayout from Recipe page #580
• feat: playground options #613
• Add "System Prompt" into the configuration options in the playground #543
• Code snippets (milestone 1.0)
• Make submitPlaygroundMessage reply more quickly (call to new OpenAI is too long?)
• Showing a message when no playground are available #595
• Playground creation should be async and use tasks #615
• Prevent modification of the system prompt after having started the playground's discussion #617

[axel7083]

depends on #509

[feloy]

Mockup for Playground page:

[feloy]

done