Replicate and document the shitty code-oss build steps i guess in general

[lemanschik]

i guess it was in general something around

tsc --emitDir --module esm

[lemanschik]

• FileSystem Provider
• Workspace Provider
• LiveShare vsls see: './modules/share'
• We should offer a Service Adapter as code-oss uses this pattern all over we can adapt that Services as the offer getter setter apis and methods.