update(docs): make the README a bit less pessimistic

README.md

@@ -1,6 +1,6 @@
 # Falco plugin Rust SDK
 
-This is still a massive WIP. Feel free to look around (check out e.g. [the sample plugins](falco_plugin/examples))
-but I'd suggest not to clone the repository quite yet (I'll probably rework the whole git history).
-
-Also, there's no documentation yet, you're on your own :)
+This is still a massive WIP. Still, feel free to look around (check out
+e.g. [the sample plugins](falco_plugin/examples))
+and check the [documentation](https://gnosek.github.io/falco-plugin-rs/), but it's probably too early
+to depend on it for production plugins (wait at least until I publish it to crates.io :))