Include code sharing

[calldelegation]

https://sway-by-example-4tic94a95-fuel-labs.vercel.app/hello-world

Would love to have a feature that replicates a "Try on remix" where it automatically imports the code into the sway playground.

[sdankel]

We can take a similar approach to rust playground. See https://github.com/FuelLabs/sway-playground/pull/76/files#r1594821382