Added release notes for release-7.3

Signed-off-by: Rinku Kothiya <rkothiya@redhat.com>

docs/release-notes/7.3.md

@@ -0,0 +1,34 @@
+# Release notes for Gluster 7.3
+
+This is a bugfix release. The release notes for [7.0](7.0.md)
+contains a listing of all the new features that were added
+and bugs fixed in the GlusterFS 7 stable release.
+
+**NOTE:** Next minor release tentative date: Week of 20th Mar, 2020
+
+## Major changes, features and limitations addressed in this release
+
+**Features**
+
+Make thin-arbiter name unique in 'pending-xattr' option. By making this
+unique, we can host single thin-arbiter node for multiple clusters.
+
+
+## Major issues
+
+**None**
+
+## Bugs addressed
+
+Bugs addressed since release-7.2 are listed below.
+
+
+
+- [#1768407](https://bugzilla.redhat.com/1768407): glusterfsd memory leak observed after enable tls
+- [#1791154](https://bugzilla.redhat.com/1791154): xlators/features/quota/src/quota.c:quota_log_usage
+- [#1793085](https://bugzilla.redhat.com/1793085): gf_event doesn't work for glfsheal process
+- [#1793412](https://bugzilla.redhat.com/1793412): config ssh-port can accept negative and outside allowed port range value
+- [#1793492](https://bugzilla.redhat.com/1793492): cli: duplicate defns of cli_default_conn_timeout and cli_ten_minutes_timeout
+- [#1794019](https://bugzilla.redhat.com/1794019): Mounts fails after reboot of 1/3 gluster nodes
+- [#1795540](https://bugzilla.redhat.com/1795540): mem leak while using gluster tools
+- [#1802449](https://bugzilla.redhat.com/1802449): spurious self-heald.t failure

docs/release-notes/index.md

@@ -6,6 +6,7 @@ Release Notes
 - [7.0](./7.0.md)
 - [7.1](./7.1.md)
 - [7.2](./7.2.md)
+- [7.3](./7.3.md)
 
 ### GlusterFS 6 release notes
 

mkdocs.yml

@@ -110,6 +110,7 @@ nav:
   - Upgrade to 3.5: Upgrade-Guide/upgrade_to_3.5.md
 - Release Notes:
   - index: release-notes/index.md
+  - 7.3: release-notes/7.3.md
   - 7.2: release-notes/7.2.md
   - 7.1: release-notes/7.1.md
   - 7.0: release-notes/7.0.md