docs(user): update link to ETAPI

Author: eliandoran

apps/server/src/assets/doc_notes/en/User Guide/User Guide/Advanced Usage/ETAPI (REST API).html

@@ -12568,6 +12568,13 @@
                                     "value": "bx bx-extension",
                                     "isInheritable": false,
                                     "position": 30
+                                },
+                                {
+                                    "type": "relation",
+                                    "name": "internalLink",
+                                    "value": "9qPsTWBorUhQ",
+                                    "isInheritable": false,
+                                    "position": 40
                                 }
                             ],
                             "format": "markdown",

docs/User Guide/!!!meta.json

@@ -1,7 +1,8 @@
 # ETAPI (REST API)
-ETAPI is Trilium's public/external REST API. It is available since Trilium v0.50.
+> [!TIP]
+> For a quick start, consult the <a class="reference-link" href="ETAPI%20(REST%20API)/API%20Reference.dat">API Reference</a>.
 
-The documentation is in OpenAPI format, available [here](https://github.com/TriliumNext/Trilium/blob/master/src/etapi/etapi.openapi.yaml).
+ETAPI is Trilium's public/external REST API. It is available since Trilium v0.50.
 
 ## API clients