Support snacks.nvim as picker

[svenXY]

🚀 The feature, motivation and pitch

With the snacks picker now being widely used and also having been made the default picker in LazyVim, it would be great if obsidian.nvim would support using it, too

Alternatives

No response

Additional context

No response

[olijg]

There's a new community fork that supports this (obsidian-nvim/obsidian.nvim)

See #820

[svenXY]

great, thanks!