docs: create new otter project

[vscaiceanu-1a]

Proposed change

The documentation on creating a new Otter-based project is wrong.
It doesn't specify that the create command actually generates a monorepo structure.

Related issues

- No issue associated -

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• nx run-many --target=test-int --parallel 3
• nx run-many --target=test-e2e --parallel 3
• nx run-many --target=build --projects=eslint-plugin --parallel 3
• nx run-many --target=publish --parallel 3 --nx-bail --userconfig .verdaccio/conf/.npmrc-logged --tag=latest --@o3r:registry=http://127.0.0.1:4873 --@ama-sdk:registry=http://127.0.0.1:4873 --@ama-terasu:registry=http://127.0.0.1:4873 --@o3r-training:registry=http://127.0.0.1:4873
• nx run-many --target=documentation --parallel 3
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Codecov Report

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Project coverage is 72.26%. Comparing base (0042a21) to head (644e76d).
Report is 4 commits behind head on main.

✅ All tests successful. No failed tests found.

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