HDDS-5121. Add documentation for 1.1.0 release. (#5)

diff --git a/content/release/1.1.0.md b/content/release/1.1.0.md
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+---
+title: Release 1.1.0 available
+date: 2021-04-17
+linked: true
+hadoop: true
+---
+<!---
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License. See accompanying LICENSE file.
+-->
+
+![Everglades-national-part-haiku](releases/1.1.0.jpg)
+
+Apache Hadoop Ozone 1.1.0 is released with following features:
+
+ * Volume/Bucket Quota Support
+ * Security related enhancements
+ * ofs/o3fs performance improvements with Teragen and Spark
+ * Recon improvements 
+
+This is a generally available (GA) release.
+It represents a point of API stability and quality that we consider production-ready. 
+
+
+Image credit: [ diana_robinson ][author], [CC BY-NC-ND 2.0][cc] 
+
+[author]: https://www.flickr.com/photos/62501682@N00
+[image]: https://www.flickr.com/photos/62501682@N00/48281791861
+[cc]: https://creativecommons.org/licenses/by-nc-nd/2.0/
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