Resolve "Studies frontend for creation and edition"

Closes #165 (closed)

I have divided the study information into four field as requested. I change the database to store the update values in the table studies.

changed milestone to %0.4: Tests and studies improvements

added Breaking changes label

Thank you for your fast work on this!

Could you write the alembic update script? You can refer to CONTRIBUTING.md

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• bdf5b897 - alembic update script

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mentioned in commit 9ea44d10

On the dev server, the upgrade failed with this error: Cannot add a NOT NULL column with default value NULL, as their is already existing studies. I will document it further, but for new NOT NULL columns, we must provide a value for the current rows. You can check the previous alembic script if you want an example, but basically, you have to a provide a server_default. If the column doesn't have a default value once in production, you can alter the column right after, doing op.alter_column("my_column", server_default=None) (check the previous script again if you want to see it in practice). If you could open a new PR to fix this (you can only edit your previous script, I will rebase dev on serv)