Updating README and CONTRIBUTING guide to get ready for beta1 release. (

opensearch-project#672)

* Updating README and CONTRIBUTING guide to get ready for beta1 release.

Signed-off-by: Sarat Vemulapalli <vemulapallisarat@gmail.com>

* Addressing comments.

Signed-off-by: Sarat Vemulapalli <vemulapallisarat@gmail.com>

CONTRIBUTING.md

@@ -52,7 +52,7 @@ If you've thought of a way that OpenSearch could be better, we want to hear abou
 
 ### Documentation Changes
 
-//TODO
+If you would like to contribute to the documentation, please see [OpenSearch Docs repo](https://github.com/opensearch-project/documentation-website/blob/main/README.md).
 
 ### Contributing Code
 

README.md

@@ -8,7 +8,8 @@ We officially began work on the new fork on January 21st, 2021.  Since then, we'
 
 ## Getting Started
 
-If you would like to install or run this project please see the [Developer Guide](https://github.com/opensearch-project/OpenSearch/blob/main/DEVELOPER_GUIDE.md). There will be binary distributions coming soon which will enable faster installations. 
+If you would like to install and run this project, please see the [Downloads Page](https://opensearch.org/downloads.html).
+If you would like to build, install and run this project please see the [Developer Guide](https://github.com/opensearch-project/OpenSearch/blob/main/DEVELOPER_GUIDE.md).
 
 ## Guiding Principles
 
@@ -44,4 +45,5 @@ As we've been working, we've come up with a bunch of questions that we wanted to
 
 ### Questions?  Feedback?
 
-Let us know in the [forums](https://discuss.opendistrocommunity.dev/).
+Found a bug or need to leave feedback? Make sure you open an [issue](https://github.com/opensearch-project/OpenSearch/issues/new/choose).
+Questions and discussions on this project can be found on the project [forums](https://discuss.opendistrocommunity.dev/).