This is a first stepping stone in avoiding bugs by having `UserId` and
`ContextId` being proper types, and not synonyms.

We also refactor things to have `AuthenticatedUser` carry the `UserId`.

Basically, Gargantext.Prelude exports all of Protolude now.

This commit refactors the codebase to add a new function called
`addDocumentsToHyperCorpus` which generalises the common pattern of
calling `insertMasterDocs` and later adding the documents via the DB
`Doc` functions.

It also "lowers" some functions to run into a plain `DBCmd`.

Based on the suggestions in
https://kodimensional.dev/space-leak

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or, sqlErrorMsg = "une instruction insert ou update sur la table \194\171 context_node_ngrams \194\187 viole la contrainte de cl\195\169\n\195\169trang\195\168re \194\171 context_node_ngrams_context_id_fkey \194\187", sqlErrorDetail = "La cl\195\169 (context_id)=(135) n'est pas pr\195\169sente dans la table \194\171 nodes \194\187.", sqlErrorHint = ""}

This turned out to be quite heavy because of module import cycles.