docs: update mindmaps docs and move instructions under configuration and deployment

on-behalf-of: @Mermaid-Chart <hello@mermaidchart.com>

docs/config/tidy-tree.md

@@ -0,0 +1,63 @@
+> **Warning**
+>
+> ## THIS IS AN AUTOGENERATED FILE. DO NOT EDIT.
+>
+> ## Please edit the corresponding file in [/packages/mermaid/src/docs/config/tidy-tree.md](../../packages/mermaid/src/docs/config/tidy-tree.md).
+
+# Tidy-tree Layout Instructions
+
+Instructions to use the Tidy-tree layout algorithm.
+
+## Getting Started
+
+### Installation
+
+```bash
+npm install non-layered-tidy-tree-layout
+# or
+yarn add non-layered-tidy-tree-layout
+
+```
+
+There's also a built version: `dist/non-layered-tidy-tree-layout.js` for use with browser `<script>` tag, or as a Javascript module.
+
+## Tidy tree Layouts
+
+Mermaid also supports a Tidy Tree layout for mindmaps.
+
+```
+---
+config:
+  layout: tidy-tree
+---
+mindmap
+root((mindmap is a long thing))
+  A
+  B
+  C
+  D
+```
+
+### With bundlers
+
+```sh
+npm install @mermaid-js/layout-tidy-tree
+```
+
+```ts
+import mermaid from 'mermaid';
+import tidyTreeLayouts from '@mermaid-js/layout-tidy-tree';
+
+mermaid.registerLayoutLoaders(tidyTreeLayouts);
+```
+
+### With CDN
+
+```html
+<script type="module">
+  import mermaid from 'https://cdn.jsdelivr.net/npm/mermaid@11/dist/mermaid.esm.min.mjs';
+  import tidyTreeLayouts from 'https://cdn.jsdelivr.net/npm/@mermaid-js/layout-tidy-tree@0/dist/mermaid-layout-tidy-tree.esm.min.mjs';
+
+  mermaid.registerLayoutLoaders(tidyTreeLayouts);
+</script>
+```

docs/syntax/mindmap.md

@@ -331,3 +331,5 @@ root((mindmap is a long thing))
   C
   D
 ```
+
+Instructions to add and register tidy-tree layout are present in [Tidy Tree Configuration](/config/tidy-tree)