make contributing readme section smart and nice 😎

Author: Knappek

CONTRIBUTING.md

@@ -7,6 +7,20 @@ in the [Accenture Organization](https://github.com/accenture) on GitHub. These a
 guidelines, not rules. Use your best judgment, and feel free to propose changes to this document
 in a pull request.
 
+## TL;DR
+
+- **Use issues for everything.**
+- For a small change, just send a PR.
+- For bigger changes open an issue for discussion before sending a PR.
+- PR should have:
+  - Test case
+  - Documentation (e.g., moduledoc, developer's guide, operator's guide)
+  - Changelog entry
+- You can also contribute by:
+  - Reporting issues
+  - Suggesting new features or enhancements
+  - Improve/fix documentation
+
 ## Code of Conduct
 
 This project and everyone participating in it is governed by our

README.md

@@ -29,21 +29,12 @@ Learn more by taking a look into the [documentation](https://accenture.github.io
 
 Take a look at the [getting-started tutorial](https://accenture.github.io/reactive-interaction-gateway/docs/tutorial.html).
 
-## Contributing
-
-- **Use issues for everything.**
-- For a small change, just send a PR.
-- For bigger changes open an issue for discussion before sending a PR.
-- PR should have:
-  - Test case
-  - Documentation (e.g., moduledoc, developer's guide, operator's guide)
-  - Changelog entry
-- You can also contribute by:
-  - Reporting issues
-  - Suggesting new features or enhancements
-  - Improve/fix documentation
-
-See the [developer's guide](https://accenture.github.io/reactive-interaction-gateway/docs/rig-dev-guide.html) and [CONTRIBUTING.md](./CONTRIBUTING.md) for details.
+## Get Involved
+
+- discuss RIG on [Slack](https://rig-slackin.herokuapp.com)
+- Follow us on [Twitter](https://twitter.com/reactivegateway)
+- Start contributing: refer to our [contributing guide](./CONTRIBUTING.md)
+- Develop RIG: refer to our [developer's guide](https://accenture.github.io/reactive-interaction-gateway/docs/rig-dev-guide.html)
 
 ## License