Add changelog for dashboard vue work

nuxt/content/changelog/2026/10/ui-template-code-editor.md

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+---
+title: Vue and Vuetify Editing for Templates
+description: The FlowFuse Dashboard ui-template editor now understands Vue and Vuetify, making templates faster to write.
+date: 2026-10-21 12:00:00
+release: "3.2"
+authors: ["stephen-mclaughlin", "noley-holland"]
+tags:
+  - changelog
+issues:
+  - https://github.com/FlowFuse/node-red-dashboard/pull/2290
+  - https://github.com/FlowFuse/node-red-dashboard/pull/2291
+---
+
+You can now write `ui-template` nodes with an editor that understands Vue and Vuetify. Start typing a component, a prop, or `this.` and the editor suggests what fits.
+
+Previously, the editor treated a template as plain HTML. You kept the Vuetify docs open in another tab to look up prop names and values, and a typo in your script only showed up once the dashboard failed to render.
+
+What's new:
+
+- **Vuetify completions.** Type `<v-` to list every component. Inside a tag you get its props, events, and slots, plus the allowed values for props like `variant`.
+- **Docs on hover.** Hover a prop to see its type, default, and a link to the Vuetify docs.
+- **Vue syntax highlighting.** Directives, `:bindings`, `@events`, and `{{ }}` expressions are highlighted, along with `<script>` and `<style>` blocks.
+- **`this` knows your component.** In `<script>`, `this.` suggests your data, computed values, and methods, then Dashboard's own `send()`, `msg`, and friends.
+- **Errors before you deploy.** Mistakes in `<script>` and `<style>` are underlined as you type, and a template saved with errors is flagged in the workspace, just like a Function node.
+
+<video autoplay loop muted playsinline aria-label="Writing a ui-template with Vue and Vuetify support in the code editor" style="border: 2px solid #E5E7EB;" width="1920" height="1080" preload="none"><source src="/changelog/2026/10/images/ui-template-code-editor.webm" type="video/webm" /></video>
+
+*Building a ui-template with help from the editor along the way.*
+
+There's nothing to configure. Update Dashboard and it works in the default Monaco editor. Script and style checking needs Node-RED 5.0.9 or later. If you use the FlowFuse Expert, update it to v0.21.0 or later to keep its completions in the template editor.
+
+This feature is available to all FlowFuse Dashboard users from v1.34.0, on FlowFuse Cloud and Self Hosted.