[draft] Community-related changes (VirtoCommerce#36)

* Added badges to `README.md`
Due to GitHub recommendations:
* License moved to `LICENSE` file
* Added `CONTRIBUTING.md`
* Added `ISSUE_TEMPLATE.md`

Author: asvishnyakov

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,15 @@
+Please provide detailed information about your issue, thank you!
+
+Version info: 
+- Browser version: 
+- Platform version: 
+- Storefront version: 
+
+### Expected behavior
+
+### Actual behavior
+
+### Steps to reproduce
+1.
+2.
+3.

CONTRIBUTING.md

@@ -0,0 +1,9 @@
+Contributing
+-----------
+We welcome & recognize contributors to Virto Commerce. There are many benefits available for our contributers, from special licensing to project involvement and access to private repositories. Follow the guide below to contribute:
+
+1. Before starting work on a new contribution, take a moment and search the commits and issues for similar proposals.
+2. Fork the Virto Commerce repository into your account according to <a href="https://help.github.com/articles/fork-a-repo/">GitHub Fork a Repo</a> document.
+3. Make your changes. Use `dev` branch because it contains the latest stable code. We also recommend you test your code before contributing.
+4. Once ready to commit your changes, create a pull request to `dev` branch according to <a href="https://help.github.com/articles/creating-a-pull-request/">GitHub Create a Pull Request</a>.
+5. Once received, the Virto Commerce development team will review your contribution and if approved, will pull your request to the appropriate branch.

LICENSE

@@ -0,0 +1,12 @@
+Copyright (c) Virto Solutions LTD.  All rights reserved.
+
+Licensed under the Virto Commerce Open Software License (the "License"); you
+may not use this file except in compliance with the License. You may
+obtain a copy of the License at
+
+https://virtocommerce.com/open-source-license
+
+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.

README.md

@@ -1,5 +1,8 @@
-# VirtoCommerce Storefront for ASP.NET Core 2.0
-VirtoCommerce Storefront represents the official online shopping website based on VirtoCommerce Platform written on ASP.NET Core. The website is a client application for VC Platform and uses only public APIs while communicating.
+# [VirtoCommerce Storefront for ASP.NET Core 2.0](https://virtocommerce.com) [![Share on Facebook](https://img.shields.io/badge/facebook--blue.svg?style=social&label=Share&logo=data%3Aimage%2Fsvg%2Bxml%3Bbase64%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%2BPHBhdGggaWQ9ImYiIGZpbGw9IiNGRkZGRkYiIGQ9Ik0xODIuNDA5LDI2Mi4zMDd2LTk5LjgwM2gzMy40OTlsNS4wMTYtMzguODk1aC0zOC41MTVWOTguNzc3YzAtMTEuMjYxLDMuMTI3LTE4LjkzNSwxOS4yNzUtMTguOTM1bDIwLjU5Ni0wLjAwOVY0NS4wNDVjLTMuNTYyLTAuNDc0LTE1Ljc4OC0xLjUzMy0zMC4wMTItMS41MzNjLTI5LjY5NSwwLTUwLjAyNSwxOC4xMjYtNTAuMDI1LDUxLjQxM3YyOC42ODRoLTMzLjU4NXYzOC44OTVoMzMuNTg1djk5LjgwM0gxODIuNDA5eiIvPjwvc3ZnPg%3D%3D)](https://www.facebook.com/sharer.php?u=https://virtocommerce.com) [![Tweet](https://img.shields.io/twitter/url/https/virtocommerce.com.svg?style=social)](https://twitter.com/intent/tweet?text=%23VirtoCommerce%20puts%20the%20best%20of%20MS%20Azure%20Cloud%2C%20open%20source%20.Net%20code%20and%20agile%20development%20in%20a%20single%20enterprise%20%23ecommerce%20platform.) [![Latest release](https://img.shields.io/github/release/VirtoCommerce/vc-storefront-core.svg)](https://github.com/VirtoCommerce/vc-storefront-core/releases/latest) [![Total downloads](https://img.shields.io/github/downloads/VirtoCommerce/vc-storefront-core/total.svg?colorB=007ec6)](https://github.com/VirtoCommerce/vc-storefront-core/releases) [![License](https://img.shields.io/badge/license-VC%20OSL-blue.svg)](https://virtocommerce.com/open-source-license)
+[![Build status](http://ci.virtocommerce.com/buildStatus/icon?job=vc-2-org/vc-storefront-core/master)](http://ci.virtocommerce.com/job/vc-2-org/job/vc-storefront-core/job/master/) [![Quality Gate](https://sonar.virtocommerce.com/api/badges/gate?key=vc-storefront-core%3Amaster&blinking=true)](https://sonar.virtocommerce.com/dashboard?id=vc-storefront-core%3Amaster) [![Lines of code](https://sonar.virtocommerce.com/api/badges/measure?key=vc-storefront-core%3Amaster&metric=ncloc)](https://sonar.virtocommerce.com/api/badges/measure?key=vc-storefront-core%3Amaster&metric=ncloc) 
+[![Documentation](https://img.shields.io/badge/docs-read-brightgreen.svg)](https://virtocommerce.com/docs/vc2devguide/working-with-storefront) [![Ask question at https://stackoverflow.com/questions/tagged/virtocommerce](https://img.shields.io/badge/stackoverflow-ask%20question-orange.svg)](https://stackoverflow.com/questions/tagged/virtocommerce) [![Join the chat at https://gitter.im/VirtoCommerce/vc-community](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/VirtoCommerce/vc-community?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) [![Contributors](https://img.shields.io/github/contributors/VirtoCommerce/vc-storefront-core.svg)](https://github.com/VirtoCommerce/vc-storefront-core/graphs/contributors)
+
+Official online shopping website based on VirtoCommerce Platform written on ASP.NET Core. The website is a client application for VC Platform and uses only public APIs while communicating.
 
 Technologies and frameworks used:
 * ASP.NET MVC Core 2.0.0 on .NET Core 2.0.0
@@ -121,18 +124,3 @@ mklink /d C:\vc-storefront\VirtoCommerce.Storefront\wwwroot\cms-content C:\vc-pl
 VirtoCommerce.Storefront project already include the **web.config** file with all necessary settings for runing in IIS. 
 How to configure IIS application to host ASP.NET Core site please learn more in the official Microsoft ASP.NET Core documentation 
 [Host ASP.NET Core on Windows with IIS](https://docs.microsoft.com/en-us/aspnet/core/publishing/iis)
-
-
-# License
-Copyright (c) Virto Solutions LTD.  All rights reserved.
-
-Licensed under the Virto Commerce Open Software License (the "License"); you
-may not use this file except in compliance with the License. You may
-obtain a copy of the License at
-
-http://virtocommerce.com/opensourcelicense
-
-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.