feat: add OpenAPI documentation page for OFREP

Signed-off-by: Jonathan Norris <[email protected]>

Author: jonathannorris

specification/appendix-c/_category_.json

@@ -0,0 +1,6 @@
+{
+    "label": "Appendix C: OpenFeature Remote Evaluation Protocol",
+    "position": 5,
+    "collapsible": false,
+    "collapsed": false
+}

specification/appendix-c-ofrep.md renamed to specification/appendix-c/index.md

@@ -2,7 +2,7 @@
 id: appendix-c
 title: "Appendix C: OpenFeature Remote Evaluation Protocol"
 description: A unified protocol for feature flagging
-sidebar_position: 5
+sidebar_position: 0
 ---
 
 # Appendix C: OpenFeature Remote Evaluation Protocol
@@ -17,3 +17,7 @@ There is a dedicated [OpenFeature working group](https://github.com/open-feature
 - Reference implementations of the protocol
 
 If you are interested in this initiative, you can join the [`#openfeature-remote-evaluation-protocol`](https://cloud-native.slack.com/archives/C066A48LK35) Slack channel on the [CNCF Slack](https://communityinviter.com/apps/cloud-native/cncf) workspace.
+
+## API Specification
+
+View the full [OFREP API Specification](./ofrep-api) with interactive documentation.

specification/appendix-c/ofrep-api.mdx

@@ -0,0 +1,14 @@
+---
+title: "OFREP OpenAPI Documentation"
+sidebar_position: 1
+hide_title: true
+---
+
+import Redoc from '@theme/Redoc';
+
+<div style={{
+  margin: '-2rem calc(-1 * var(--ifm-spacing-horizontal))',
+  maxWidth: 'none'
+}}>
+  <Redoc />
+</div>