Docs updates with known FAQ (will be updated with time) and some Notes
for Developers as an overview or replacement of old parts of docs in
future.
Signed-off-by: Andrey Borysenko <andrey18106x@gmail.com>
The system flag and extra table for that `ex_app_users` is removed to
optimize database usage and simplify the system logic.
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Signed-off-by: Andrey Borysenko <andrey18106x@gmail.com>
This PR introduces async requestToExApp Public functions + two OCS
endpoints for requestToExApp and exAppRequestWithUserInit.
Some logging level adjustments.
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Signed-off-by: Andrey Borysenko <andrey18106x@gmail.com>
