Add many docstrings

Closes #111 (closed)

requested review from @babadie

assigned to @erwanrouchet

While testing the generation I get warnings about missing items in doctree, then the website is mostly empty (I only get doc for utils)

/home/bastien/dev/ark/workers/base/docs/generated/arkindex_worker.cache.rst: WARNING: document isn't included in any toctree
/home/bastien/dev/ark/workers/base/docs/generated/arkindex_worker.git.rst: WARNING: document isn't included in any toctree
/home/bastien/dev/ark/workers/base/docs/generated/arkindex_worker.image.rst: WARNING: document isn't included in any toctree
/home/bastien/dev/ark/workers/base/docs/generated/arkindex_worker.models.rst: WARNING: document isn't included in any toctree
/home/bastien/dev/ark/workers/base/docs/generated/arkindex_worker.reporting.rst: WARNING: document isn't included in any toctree
/home/bastien/dev/ark/workers/base/docs/generated/arkindex_worker.worker.rst: WARNING: document isn't included in any toctree
done

added 2 commits

• 52229149 - 1 commit from branch master
• 462784ee - Add many docstrings

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Ok, now I can see it on surge https://docstrings-base-worker-arkindex.surge.sh/index.html

Could you add docstrings for all the modules ? Only 2 are covered and that's the first thing we see

added 1 commit

• c1a93e13 - Add docstrings on all modules

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added 1 commit

• 7e0eb071 - Fixes

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merged