Added release notes for release-7.7

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

docs/release-notes/7.7.md

@@ -0,0 +1,31 @@
+# Release notes for Gluster 7.7
+
+This is a bugfix release. The release notes for [7.0](7.0.md), [7.1](7.1.md),
+[7.2](7.2.md), [7.3](7.3.md), [7.4](7.4.md) [7.5](7.5.md) and [7.6](7.6.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 Sep, 2020
+
+## Major changes, features and limitations addressed in this release
+
+**None**
+
+
+## Major issues
+
+**None**
+
+## Bugs addressed
+
+Bugs addressed since release-7.6 are listed below.
+
+- [#1000](https://github.com/gluster/glusterfs/issues/1000) [bug:1193929] GlusterFS can be improved
+- [#1220](https://github.com/gluster/glusterfs/issues/1220) cluster/ec: return correct error code and log the message in ...
+- [#1223](https://github.com/gluster/glusterfs/issues/1223) Failure of tests/basic/gfapi/gfapi-copy-file-range.t
+- [#1225](https://github.com/gluster/glusterfs/issues/1225) fuse causes glusterd to dump core
+- [#1243](https://github.com/gluster/glusterfs/issues/1243) Modify and return iatt (especially size and block-count) in s...
+- [#1254](https://github.com/gluster/glusterfs/issues/1254) Prioritize ENOSPC over other lesser priority errors
+- [#1296](https://github.com/gluster/glusterfs/issues/1296) Implement seek in open-behind
+- [#1303](https://github.com/gluster/glusterfs/issues/1303) Failures in rebalance due to [Input/output error]
+- [#1348](https://github.com/gluster/glusterfs/issues/1348) Fuse mount crashes in shard translator when truncating a *real...

docs/release-notes/index.md

@@ -14,6 +14,7 @@ Release Notes
 - [7.4](./7.4.md)
 - [7.5](./7.5.md)
 - [7.6](./7.6.md)
+- [7.7](./7.7.md)
 
 ### GlusterFS 6 release notes
 

mkdocs.yml

@@ -109,6 +109,7 @@ nav:
 - Release Notes:
   - index: release-notes/index.md
   - 8.0: release-notes/8.0.md
+  - 7.7: release-notes/7.7.md
   - 7.6: release-notes/7.6.md
   - 7.5: release-notes/7.5.md
   - 7.4: release-notes/7.4.md