Official compiled wasm & CI/CD

[TrevorJTClarke]

To ensure audits, deploys & local builds are all reproducible, create a CI/CD pipeline that utilizes a docker build. This will ensure no user paths enter a build, destroying reproducibility.

[TrevorJTClarke]

https://hub.docker.com/r/nearprotocol/contract-builder

[swfsql]

Not related to docker, but this contract has an example of Github Actions on how to compile and share the wasm binaries, in case this is also wanted: https://github.com/nearcomponents/contract-version-example/releases

[TrevorJTClarke]

@swfsql excellent - much better approach.

[swfsql]

@TrevorJTClarke Cool! in this way by making a tag those actions should make some release files

I'll make a PR containing some small improvements that we have observed