prepare v0.15 release (#242)

Author: ctate

.changeset/v0-15-release.md

@@ -0,0 +1,14 @@
+---
+"@json-render/core": minor
+"@json-render/ink": minor
+---
+
+Add Ink terminal renderer for interactive terminal UIs.
+
+### New:
+
+- **`@json-render/ink`** -- Terminal UI renderer for json-render, built on Ink. Includes 20+ standard components (Box, Text, Heading, Card, Table, TextInput, Select, MultiSelect, Tabs, etc.), action/validation/focus contexts, two-way state binding, and streaming via `useUIStream`. Server-safe entry points at `@json-render/ink/schema`, `@json-render/ink/catalog`, and `@json-render/ink/server`.
+
+### Improved:
+
+- **Examples** -- new `ink-chat` terminal chat demo, `game-engine` 3D example using react-three-fiber, website examples page with live demos and search.