Merge pull request #1910 from spotify/sebastianq/update-techdocs-roadmap

Added v2 to techdocs readme

docs/features/techdocs/README.md

@@ -26,12 +26,15 @@ Spotify’s developer experience offering with 2,400+ documentation sites and
 | ----------------------- | ------------------------------------------------------------------------------------------------------------------------------------- |
 | [TechDocs V.0 ✅][v0]   | Read docs in Backstage - Enable anyone to get a reader experience working in Backstage. [See V.0 Use Cases.](./#techdocs-v0)          |
 | [TechDocs V.1 🚧][v1]   | TechDocs end to end (alpha) - Alpha of TechDocs that you can use end to end - and contribute to. [See V.1 Use Cases.](./#techdocs-v1) |
-| [TechDocs V.2 🔮⌛][v2] | Widget Architecture - TechDocs widget architecture available, so the community can create their own customized features.              |
+| [TechDocs V.2 🔮⌛][v2] | Platform stability and compatibility improvements. [See V.2 Use Cases.](./#techdocs-v2)                                               |
+| TechDocs V.3 🔮⌛       | Widget Architecture - TechDocs widget architecture available, so the community can create their own customized features.              |
 
 [v0]: https://github.com/spotify/backstage/milestone/15
 [v1]: https://github.com/spotify/backstage/milestone/16
 [v2]: https://github.com/spotify/backstage/milestone/17
 
+<!-- TODO: Add link to milestone for v3 -->
+
 ## Use Cases
 
 #### TechDocs V.0
@@ -56,6 +59,14 @@ Spotify’s developer experience offering with 2,400+ documentation sites and
 
 #### TechDocs V.2
 
+Platform stability and compatibility improvements
+
+- As a user I can define the metadata generated for my documentation.
+- As a user I will be able to browse metadata from within my documentation in
+  Backstage.
+
+#### TechDocs V.3
+
 more to come...
 
 ## Structure