docs: add instrumentations properties to README (#94)

Author: Amir Blum

README.md

@@ -24,7 +24,12 @@
 
 js extensions for the [open-telemetry](https://opentelemetry.io/) project, from [Aspecto](https://www.aspecto.io/) with :heart:
 
-**Compatible with [otel v0.18.0](https://github.com/open-telemetry/opentelemetry-js/releases/tag/v0.18.0)**
+The instrumentations in this repo are:
+- vendor neutral
+- strictly complies with [open telemetry semantic conventions](https://github.com/open-telemetry/opentelemetry-specification/tree/main/specification/trace/semantic_conventions)
+- up to date with latest SDK version
+
+**Compatible with [SDK v0.18.0](https://github.com/open-telemetry/opentelemetry-js/releases/tag/v0.18.0)**
 ## Instrumentations
 | Instrumentation Package | Instrumented Lib | NPM |
 | --- | --- | --- |