Include release notes in the main docs page of Tobiko

This patch adds link to the release notes in the main doc source
directory to include it in the build of the main documentation page.
With that release notes are included at the main page of the
Tobiko documentation.

Additionally this patch adds missing files for the already released
versions of the Tobiko which have release notes written.

From now on it is required to add new file in the releasenotes/source/
directory for every new version which will be released.

Related: #TOBIKO-13
Change-Id: I053b4bac735139b19ce06f166b4c99c218002821

.readthedocs.yaml

@@ -10,6 +10,9 @@ build:
   os: ubuntu-22.04
   tools:
     python: "3.10"
+  jobs:
+    post_checkout:
+      - git fetch --unshallow || true
 
 # Build documentation in the docs/ directory with Sphinx
 sphinx:

doc/source/conf.py

@@ -70,6 +70,7 @@ extensions = [
     'sphinx.ext.napoleon',
     'oslo_config.sphinxext',
     'oslo_config.sphinxconfiggen',
+    'reno.sphinxext',
 ]
 
 # Add any paths that contain templates here, relative to this directory.

doc/source/content.rst

@@ -22,3 +22,4 @@ tree <https://opendev.org/x/tobiko/src/branch/master/doc/source>`__.
    reference/index
    etc/index
    miscellaneous/index
+   releasenotes/index

doc/source/releasenotes

@@ -0,0 +1 @@
+../../releasenotes/source

releasenotes/source/0.6.0.rst

@@ -0,0 +1,6 @@
+============
+Tobiko 0.6.0
+============
+
+.. release-notes:: Release Notes
+   :version: 0.6.0

releasenotes/source/0.6.2.rst

@@ -0,0 +1,6 @@
+============
+Tobiko 0.6.2
+============
+
+.. release-notes:: Release Notes
+   :version: 0.6.2

releasenotes/source/0.7.0.rst

@@ -0,0 +1,6 @@
+============
+Tobiko 0.7.0
+============
+
+.. release-notes:: Release Notes
+   :version: 0.7.0

releasenotes/source/0.7.1.rst

@@ -0,0 +1,6 @@
+============
+Tobiko 0.7.1
+============
+
+.. release-notes:: Release Notes
+   :version: 0.7.1

releasenotes/source/index.rst

@@ -3,10 +3,14 @@
    You can adapt this file completely to your liking, but it should at least
    contain the root `toctree` directive.
 
-Welcome to Tobiko Release Notes's documentation!
-================================================
+Tobiko Release Notes's
+======================
 
 .. toctree::
    :maxdepth: 1
 
    unreleased
+   0.7.1
+   0.7.0
+   0.6.2
+   0.6.0

releasenotes/source/unreleased.rst

@@ -1,5 +1,5 @@
-==========================
- Unreleased Release Notes
-==========================
+==========
+Unreleased
+==========
 
 .. release-notes::