Merge pull request #9639 from skyace65/ReadMeOffline

Update README file with offline doc options

Author: mhilbrunner

README.md

@@ -6,15 +6,17 @@ They are meant to be parsed with the [Sphinx](https://www.sphinx-doc.org/) docum
 
 ## Download for offline use
 
-To browse the documentation offline, you can
-[download an HTML copy](https://nightly.link/godotengine/godot-docs/workflows/build_offline_docs/master/godot-docs-html-master.zip)
-for offline reading (updated every Monday). Extract the ZIP archive then open
-the top-level `index.html` in a web browser.
-
-For mobile devices or e-readers, you can also
-[download an ePub copy](https://nightly.link/godotengine/godot-docs/workflows/build_offline_docs/master/godot-docs-epub-master.zip)
-for offline reading (updated every Monday). Extract the ZIP archive then open
-the `GodotEngine.epub` file in an e-book reader application.
+To browse the documentation offline, you can download an HTML copy (updated every Monday):
+[stable](https://nightly.link/godotengine/godot-docs/workflows/build_offline_docs/master/godot-docs-html-stable.zip),
+[latest](https://nightly.link/godotengine/godot-docs/workflows/build_offline_docs/master/godot-docs-html-master.zip),
+[3.6](https://nightly.link/godotengine/godot-docs/workflows/build_offline_docs/master/godot-docs-html-3.6.zip). Extract
+the ZIP archive then open the top-level `index.html` in a web browser.
+
+For mobile devices or e-readers, you can also download an ePub copy (updated every Monday):
+[stable](https://nightly.link/godotengine/godot-docs/workflows/build_offline_docs/master/godot-docs-epub-stable.zip),
+[latest](https://nightly.link/godotengine/godot-docs/workflows/build_offline_docs/master/godot-docs-epub-master.zip),
+[3.6](https://nightly.link/godotengine/godot-docs/workflows/build_offline_docs/master/godot-docs-epub-3.6.zip). Extract
+the ZIP archive then open the `GodotEngine.epub` file in an e-book reader application.
 
 ## Theming