Update README.md

Author: glyn

README.md

@@ -1,11 +1,11 @@
 # JSON Path Reference Implementation
 
-**WORK IN PROGRESS**
+**STALLED** - See this [blog post](https://underlap.org/jsonpath-from-blog-post-to-rfc-in-17-years) for details. If you want to take this implementation forward, please feel free to fork it or contact @glyn.
 
 This Reference Implementation follows, and usually lags behind, the [internet draft](https://jsonpath-standard.github.io/internet-draft/).
 
 See [grammar.pest](src/grammar.pest) for the Parsing Expression Grammar of the Reference Implementation.
 
 See the [Developer Guide](./DEVELOPING.md) if you want to run the code against the test suite. See the [Contributor Guide](./CONTRIBUTING.md) if you'd like to submit changes.
 
-The Compliance Test Suite is in its own [repository](https://github.com/jsonpath-standard/jsonpath-compliance-test-suite).
+The Compliance Test Suite is in its own [repository](https://github.com/jsonpath-standard/jsonpath-compliance-test-suite).