Update the CLI docs to use the developer-tooling repository as a submodule

[nicolasbrugneaux]

The goal is to make everyone's lives easier by firstly changing the docs to use a submodule, and secondly, create a pull-request keeping it in sync whenever the CLI gets released. You can see an example of a PR that would be created in such events here: #1210

The automation work can be followed in this PR:

• CI: open a PR on the celo-org/docs automagically developer-tooling#110

Note: initially the goal was to use symlinks to the submodule but instead hardcopies need to be made because of a bug in docusaurus .

Regardless, your workflow shouldn't change as the submodules get fetched after running yarn or yarn install.

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[therealharpaljadeja]

This is very cool! Would be great if someone can advice on how we can achieve this for other packages too...

[arthurgousset]

This is very cool! Would be great if someone can advice on how we can achieve this for other packages too...

+1, I think we (@celo-org/devtooling) will consider doing this for @celo/... NPM packages. What other packages did you have in mind @therealharpaljadeja ?