Switch repository to monorepo organization
Summary:
Instead to only use this repository for fantoir-datasource,
we can also use it to host other components.
Immediate projects are to add Opendatasoft Explore API client
to query data.economie.gouv.fr to know if a new FANTOIR version
is available, and to extract SPARQL client code as a standalone
library.
Later, we'll be able to add other tools to manage our datasources
pipelines here too.
Ref T1750
Test Plan: Build the solution with opendatasoft-explore-api component added
Reviewers: dereckson
Reviewed By: dereckson
Maniphest Tasks: T1750
Differential Revision: https://devcentral.nasqueron.org/D2744