(docs) tidy-up

Acknowledgments on the `gatekeeper` branch aren't necessary anymore
since the contributors are now `main` branch contributors as well.

README.md

@@ -5,7 +5,7 @@
 [![discussions](https://img.shields.io/github/discussions/uatuko/ruek)](https://github.com/uatuko/ruek/discussions)
 [![release](https://img.shields.io/github/v/release/uatuko/ruek)](https://github.com/uatuko/ruek/releases)
 
-Lightning fast, global scale authorization service without the overhead of yet another DSL[^1].
+Lightning fast, global scale authorization service without the overhead of a yet another DSL[^1].
 
 ## What is Ruek?
 
@@ -230,11 +230,6 @@ Listening on [127.0.0.1:8080] ...
 * [libxid](https://github.com/uatuko/libxid) - For globally unique IDs.
 
 
-## Acknowledgments
-
-* Thanks to [@kw510](https://github.com/kw510), [@neculalaura](https://github.com/neculalaura) and [@td0m](https://github.com/td0m)
-for their contributions on the `gatekeeper` branch.
-
 [^1]: [Domain-Specific Language](https://en.wikipedia.org/wiki/Domain-specific_language)
 [^2]: [Zero trust architecture (ZTA)](https://en.wikipedia.org/wiki/Zero_trust_security_model)
 [^3]: Authorization check using ReBAC `set` (**O(1+n+m)**) and `graph` (**O(1+v+e)**) strategies are not constant time.

docs/README.md

@@ -2,5 +2,5 @@
 
 ## Table of contents
 
-* [ReBAC](rebac.md)
 * [API Documentation](api/README.md)
+* [ReBAC](rebac.md)

docs/api/README.md

@@ -1,6 +1,6 @@
 # API Documentation
 
-## V1 (`ruek.api.v1`)
+## `ruek.api.v1`
 
 * [Principals (`ruek.api.v1.Principals`)](v1/principals.md)
 * [Relations (`ruek.api.v1.Relations`)](v1/relations.md)