Add class RestProfile for local maintenance of users' REST parameters.

[bekadavis9]

Add class RestProfile for local maintenance of users' REST parameters.

class RestProfile is the first step toward configuration unification. This internal API stores a user's REST parameters after they login upstream.

// PR documentation WIP

[sc-62705]

TYPE: NO_HISTORY
DESC: Add class RestProfile for local maintenance of users' REST parameters.

[teo-tsirpanis]

I would prefer it this way.

Suggested change

	void remove();
	static void remove(const std::string& name);