doc: Adding documentations

LICENSE

@@ -1,20 +1,13 @@
-The MIT License (MIT)
-Copyright (c) 2016 Microsoft Inc
+Copyright 2016 Microsoft, Inc.
 
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to
-deal in the Software without restriction, including without limitation the
-rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-sell copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
+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
 
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
+    http://www.apache.org/licenses/LICENSE-2.0
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
+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.

MAINTAINERS

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+# This file describes the maintainers for swss.  
+# See the SONiC project governance document for more information
+
+Name = "Guohan Lu"
+Email = "[email protected]"
+Github = lguohan
+Mailinglist = [email protected]

README.md

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 [![Build Status](https://sonic-jenkins.westus.cloudapp.azure.com/buildStatus/icon?job=swss-build)](https://sonic-jenkins.westus.cloudapp.azure.com/job/swss-build)
 # Switch State Service - swss
 
-### This software repository must be treated as private and is only shared under NDA terms with Microsoft until publicly released.
-
 # Description
 The Switch State Service (SwSS) is a collection of software that provides a database interface for communication with and state representation of network applications and network switch hardware.
 
 # Contribution guide
 
-All contributors must sign a contribution license agreement before contributions can be accepted.  Contact kasubra@microsoft.com or [email protected].  Later this will be automated.
+See the [contributors guide](https://github.com/Azure/SONiC/blob/gh-pages/contributing.md) for information about how to contribute.
 
 ### GitHub Workflow