Extend MAML to support FO-MAML and i-MAML

[veds12]

[1] (FO-MAML) https://arxiv.org/abs/1803.02999
[2] (i-MAML) https://papers.nips.cc/paper/2019/file/072b030ba126b2f4b2374f342be9ed44-Paper.pdf

[aadetya]

Can I take a look at this?

[veds12]

Sure, a good start would be to extend the MAML implementation itself (i.e. have arguments for shifting to FO-MAML / i-MAML)

[veds12]

@aadetya are there any updates on this? A simple way to do this would be to just extend the optimizer_learner