Added screenshots and information to README.md

Author: simasch

README.md

@@ -1,6 +1,55 @@
 # utPLSQL Plugin for PLSQL Developer 
 
-## Introduction
+The utPLSQL Plugin integrates [utPLSQL](https://utplsql.org) with [Allround Automations PL/SQL Developer](https://www.allroundautomations.com/products/pl-sql-developer/).
 
-The utPLSQL Plugin extends Allround Automations PL/SQL Developer to execute utPLSQL tests.
+## Running Tests
+
+The plugin adds a Button to the Tools ribbon to execute all tests of the current user.
+
+![img.png](screenshots/tools_ribbon.png)
+
+In the object browser on Packages or Users there is a context menu entry to run the tests of either the packages or the users.
+
+![img.png](screenshots/context_menu.png)
+
+## Viewing Results
+
+The results are opened in a new window.
+
+![img.png](screenshots/result_window.png)
+
+## Releases
+
+Binary releases are published in the [releases section](https://github.com/utPLSQL/utPLSQL-PLSQL-Developer/releases).
+
+## Installation
+
+Copy PlsqlDeveloperUtPlsqlPlugin.dll to the PlugIns directory of your PL/SQL Developer installation.
+
+## Issues
+
+Please file your bug reports, enhancement requests, questions and other support requests within [Github's issue tracker](https://help.github.com/articles/about-issues/).
+
+* [Questions](https://github.com/utPLSQL/utPLSQL-PLSQL-Developer/issues?q=is%3Aissue+label%3Aquestion)
+* [Open enhancements](https://github.com/utPLSQL/utPLSQL-PLSQL-Developer/issues?q=is%3Aopen+is%3Aissue+label%3Aenhancement)
+* [Open bugs](https://github.com/utPLSQL/utPLSQL-PLSQL-Developer/issues?q=is%3Aopen+is%3Aissue+label%3Abug)
+* [Submit new issue](https://github.com/utPLSQL/utPLSQL-PLSQL-Developer/issues/new)
+
+## How to Contribute
+
+1. Describe your idea by [submitting an issue](https://github.com/utPLSQL/utPLSQL-PLSQL-Developer/issues/new)
+2. [Fork the utPLSQL-PLSQL-Developer respository](https://github.com/utPLSQL/utPLSQL-PLSQL-Developer/fork)
+3. [Create a branch](https://help.github.com/articles/creating-and-deleting-branches-within-your-repository/), commit and publish your changes and enhancements
+4. [Create a pull request](https://help.github.com/articles/creating-a-pull-request/)
+
+## How to Build
+
+1. Open the PlsqlDeveloperUtPlsqlPlugin.sln solution in Visual Studio
+2. Make sure to choose x64 as Platform target
+3. Build the solution
+
+## License
+
+utPLSQL for PL/SQL Developer is licensed under the Apache License, Version 2.0. 
+You may obtain a copy of the License at <http://www.apache.org/licenses/LICENSE-2.0>.