update cat-gateway docs

Author: Mr-Leshiy

docs/Earthfile

@@ -11,7 +11,7 @@ src:
     # Now copy into that any artifacts we pull from the builds.
     COPY --dir ../+repo-docs/repo /docs/includes
     # copy Rust docs
-    COPY ./../catalyst-gateway+build-hosted/doc /docs/src/api/catalyst-gateway/rust-docs
+    COPY ./../catalyst-gateway+build-hosted/doc /docs/src/api/cat-gateway/rust-docs
 
 # Build the docs here.
 docs:

docs/src/api/.pages

@@ -1,3 +1,3 @@
 nav:
   - index.md
-  - 'Catalyst gateway': catalyst-gateway.md
+  - 'Catalyst gateway': cat-gateway

docs/src/api/cat-gateway/.pages

@@ -0,0 +1,4 @@
+nav:
+  - index.md
+  - 'Rust docs': rust.md
+  - 'OpenAPI docs': openapi.md

docs/src/api/cat-gateway/index.md

@@ -0,0 +1,5 @@
+---
+icon: material/gate
+---
+
+# Catalyst Gateway API

docs/src/api/cat-gateway/openapi.md

@@ -0,0 +1,11 @@
+---
+icon: material/server
+---
+
+# OpenAPI docs
+
+```JSON
+{
+    "name": "Alex",
+}
+```

docs/src/api/cat-gateway/rust.md

@@ -0,0 +1,46 @@
+---
+icon: material/language-rust
+---
+
+<!-- cspell: words RUSTDOC graphviz -->
+
+# Rust docs
+
+<!-- markdownlint-disable no-inline-html -->
+<iframe src="../rust-docs/index.html" title="RUSTDOC Documentation" style="height:800px;width:100%;"></iframe>
+
+[OPEN FULL PAGE](./rust-docs/index.html)
+
+## Workspace Dependency Graph
+
+```kroki-graphviz
+@from_file:./api/cat-gateway/rust-docs/workspace.dot
+```
+
+## External Dependencies Graph
+
+```kroki-graphviz
+@from_file:./api/cat-gateway/rust-docs/full.dot
+```
+
+## Build and Development Dependencies Graph
+
+```kroki-graphviz
+@from_file:./api/cat-gateway/rust-docs/all.dot
+```
+
+## Module trees
+
+### cat-gateway crate
+
+```rust
+    {{ include_file('src/api/cat-gateway/rust-docs/cat-gateway.cat-gateway.bin.modules.tree') }}
+```
+
+## Module graphs
+
+### cat-gateway crate
+
+```kroki-graphviz
+@from_file:./api/cat-gateway/rust-docs/cat-gateway.cat-gateway.bin.modules.dot
+```