Add global deprecation banner to all Entity docs pages with OpenAPI link - #409

The Entities markdown docs are being deprecated and each entity page now needs a clear redirect to the new OpenAPI docs. This change adds a single shared deprecation note across all entity entries under entities.html.

• Scope

  • Apply deprecation messaging to every entity detail page (/sections/*) without touching each markdown file individually.

• Implementation

  • Updated _includes/head_custom.html to inject a styled deprecation note after the page <h1> on entity pages.
  • Added the required link text OpenAPI Documentation pointing to https://docs.mocoapp.com/api/docs/v1#description/introduction.

• Behavior

  • Note renders only on section pages and guards against duplicate insertion.

if (!window.location.pathname.includes("/sections/")) return;

note.innerHTML =
  'This API documentation is being deprecated. Please use our <a href="https://docs.mocoapp.com/api/docs/v1#description/introduction">OpenAPI Documentation</a> instead.';

moco-1141 Deprecate Entities of Markdown API

This is what you see on every sub page of "Entities"