This adds an AES-GCM 256bit encryption layer for storage for sensitive items. This is only TOTP secrets for the time being but this may be expanded later. This will require a configuration change as per https://www.authelia.com/docs/configuration/migration.html#4330.
Closes#682
This is a massive overhaul to the SQL Storage for Authelia. It facilitates a whole heap of utility commands to help manage the database, primary keys, ensures all database requests use a context for cancellations, and paves the way for a few other PR's which improve the database.
Fixes#1337
* [MISC] Storage Schema Versioning Model
* fixup go.sum
* remove pq
* fix int to text issue
* fix incorrect SQL text
* use key_name vs key
* use transactions for all queries during upgrades
* fix missing parenthesis
* move upgrades to their own file
* add provider name for future usage in upgrades
* fix missing create config table values
* fix using the const instead of the provider SQL
* import logging once and reuse
* update docs
* remove db at suite teardown
* apply suggestions from code review
* fix mysql
* make errors more uniform
* style changes
* remove commented code sections
* remove commented code sections
* add schema version type
* add sql mock unit tests
* go mod tidy
* test blank row situations
