Add 3.3.0-rc.2 release notes

source/releasenotes/3.3.0-rc.2.rst

+3.3.0-rc.2 (2022-05-12)
+=======================
+
+The second release candidate of Xbus 3.3 is ready !
+
+Changes
+-------
+
+Aside of merging version 3.2.10 changes, this version RC exceptionnaly add
+features:
+
+- Improve pipeline matching: add matching by actor only and priority customization.
+
+- Add http.webhook settings: 'payload-type' and 'headers'
+
+
+Documentation
+-------------
+
+Documentation is online:
+
+  https://docs.xbus.io/
+
+Downloads
+---------
+
+Source and binaries are available on our download area:
+
+- https://dl.xbus.io/xbus/src/xbus-3.3.0-rc.2-src.tar.xz
+
+version "personal":
+
+- https://dl.xbus.io/xbus/personal/xbus-3.3.0-rc.2-linux_amd64.tar.xz
+- https://dl.xbus.io/xbus/personal/xbus-3.3.0-rc.2-windows_amd64.tar.xz
+- https://dl.xbus.io/xbus/personal/xbus-3.3.0-rc.2-darwin_amd64.tar.xz
+
+Docker images
+-------------
+
+Get the docker images:
+
+version "personal":
+
+  - orus/xbusd:3.3.0-rc.2
+  - orus/xbusctl:3.3.0-rc.2
+  - orus/xbus-client:3.3.0-rc.2
+  - orus/xbus-http:3.3.0-rc.2
+  - orus/xbus-fullenv:3.3.0-rc.2

source/releasenotes/index.rst

@@ -5,6 +5,7 @@
 
 .. toctree::
 
+   3.3.0-rc.2
    3.3.0-rc.1
    3.2.10
    3.2.9