[IMP] doc: add links to data model documentation

The doc is there, but there's no link to reach it.
You have to know the files are there.

closes #7371

Task: 5194507
X-original-commit: f13f647
Signed-off-by: Rémi Rahir (rar) <rar@odoo.com>

Author: LucasLefevre

doc/data-model.md

@@ -129,9 +129,22 @@ The SheetPlugin manages the structure and metadata of each worksheet. Each entry
 
 ---
 
+## More
+
+- [Borders](data-model/border.md)
+- [Conditional formatting](data-model/cf.md)
+- [Charts](data-model/chart.md)
+- [Formats](data-model/format.md)
+- [Pivots](data-model/pivot.md)
+- [Styles](data-model/style.md)
+- [Tables](data-model/table.md)
+- [Version](data-model/version.md)
+
+---
+
 ## Example
 
-See `demo/data.js` for a full example of a valid data structure.
+See [demo/data.js](../demo/main.js) for a full example of a valid data structure.
 
 ---
 

readme.md

@@ -39,6 +39,7 @@ npm run test -- --watch # run all tests, rerun on file change
 3. [Model creation](doc/integrating/integration.md#model-creation)
 4. [Collaborative edition](doc/integrating/integration.md#collaborative-edition)
 5. [Translation](doc/integrating/integration.md#translation)
+6. [Data model (json)](doc/data-model.md)
 <!--
 
 - use with other UI library