Add 'Contributing' message (#1108)

stickeegreg · RoBorg · web-flow · commit 99f3d54fa9f9 · 2023-09-05T13:38:44.000+10:00
Co-authored-by: RoBorg &lt;roborg@gmail.com&gt;
diff --git a/README.md b/README.md
@@ -55,4 +55,9 @@ function bindContext(Closure $closure): Closure {
 }
 ```
 
+## Contributing
+
+This repository is a read-only git subtree split.
+To contribute, please see the main [OpenTelemetry PHP monorepo](https://github.com/open-telemetry/opentelemetry-php).
+
 [1]: https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/context/README.md#context

Original file line number	Diff line number	Diff line change
`@@ -55,4 +55,9 @@ function bindContext(Closure $closure): Closure {`
`55`	`55`	`}`
`56`	`56`	```
`57`	`57`
	`58`	`+## Contributing`
	`59`	`+`
	`60`	`+This repository is a read-only git subtree split.`
	`61`	`+To contribute, please see the main [OpenTelemetry PHP monorepo](https://github.com/open-telemetry/opentelemetry-php).`
	`62`	`+`
`58`	`63`	`[1]: https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/context/README.md#context`