Add back Initialize

[HaoK]

Add a Initialize<TOptions> set of actions which run after Configure, needed for Auth

[MaKCbIMKo]

A quick question: Why Initialize goes after Configure? Does it correlate with principle of least astonishment? By these names, seems like you need to initialize object first and then configure that.

[HaoK]

Yeah its a naming issue, I'm open to considering different names if you have any ideas for something clearer that signify's happening after Configure.

[MaKCbIMKo]

I suppose, that just switch the names isn't option? :)

How about that:
First step - Configure is like a 'rough processing'.
Second step - Adjust or [Fine]tune for polishing (fine tuning, polishing)

[HaoK]

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