feat: bring wingdocs

[eladb]

Create docs/index.md:

Hello, docs!

Create main.w:

bring wingdocs;

new wingdocs.Site(
  source: "{@dirname}/docs"
);

Local:

wing it

Cloud:

wing compile -t tf-aws
cd target/main.tf-aws
terraform init
terraform apply

[github-actions]

Hi,

This PR has not seen activity in 20 days. Therefore, we are marking the PR as stale for now. It will be closed after 7 days.
If you need help with the PR, do not hesitate to reach out in the winglang community slack at winglang.slack.com.
Feel free to re-open this PR when it is still relevant and ready to be worked on again.
Thanks!