Upgrade `create-remdx` template to Vite 5

[Karl Horky]

create-remdx currently uses Vite ^4.0.0:

remdx/packages/create-remdx/template/package.json

Line 15 in 68c4a94

 "vite": "^4.0.0" 

Maybe this could be changed to Vite v5

[Christoph Nakazawa]

Released 0.9.0.

[Karl Horky]

Great thanks!