JS / .NET / Go / other langauges

[nedtwigg]

Since Selfie is written in multiplatform Kotlin, it could be compiled to a native module and used in other ecosystems. But it's only ~2k lines, so it's probably easier to just rewrite in the host language.

• Python implementation (done!) #170
• Javascript roadmap #84
• .NET port #281
• hopefully other languages to come!