Package it up

Instructions for building packages & publishing on multicore-opam. This is basically what worked for me. The workflow needs to be refined.

Develop

Use carcass to create the directory structure. You will most probably need to do carcass bone opam/topkg. For more information, see carcass help basics, carcass info bones.
Create a repo on github for the package. git init locally and push the initial commit.
Develop the package. Build & test using topkg. Test locally using opam pin add ....

Now that you are ready to publish the package, tag the release: git tag 0.1. Push the tags to remote: git push --tags.
Build the distribution: topkg distrib --dist-version=0.1.
Draft a new release on github: topkg publish distrib --dist-version=0.1. This makes a new release on github.
Publish documentation using topkg publish doc --dist-version=0.1.
Create the opam entry for the package. topkg opam pkg --dist-version=0.1 --pkg-version=0.1.
Copy the directory _build/<package>.0.1 to multicore-opam/packages/<package>/. Add a file named findlib under <package>.0.1 with a single line <package>.
git add the new directory to multicore-opam.
Rebuild multicore-opam repo index: opam-admin make --index.
Push the updates to the multicore-opam remote.