issues with useContracts plugin

[pyramation]

• [x] private and protected aren't transpiling correctly w/babel

• https://github.com/pyramation/badkidsjs/commit/ecf576ed7021d0de852fdbcdb8c3dfee3cdb154d

• https://github.com/pyramation/badkidsjs/commit/368b03d7736b599021026d07c7908ac798a0036d

• error isModule parse failed: The keyword 'protected' is reserved (33:24)

• [x] a few exports are missing

• https://github.com/pyramation/badkidsjs/commit/6039e791dd782a665cb94642bc36f541dd3fb684

• [x] missing return type on context

• https://github.com/pyramation/badkidsjs/commit/7347d4f9cdc20f5ee9625eb967b070c2c8a948bb

for documentation, not the plugin itself:

• [x] required presets when using:
• https://github.com/pyramation/badkidsjs/commit/bcba24ddf97ad43bc23eb965857d6e9fc4ab7f52
• https://github.com/pyramation/badkidsjs/commit/faf448341a22c0e4427059af20bc3503a16200e6

[pyramation]

maybe the private/protected isn't something we should consider an issue w ts codegen, but more the end compiler in the boilerplate to generate packages

for now here is an example of a "fix": https://github.com/cosmology-tech/mesh-security/commit/725c862f8b832f59f53953efcb5566b8545e815b

cc @Zetazzz

[pyramation]

the private/protected issue may go away once we switch over to tsc! let's not jump on this quite yet.