docs: forums to Stack Overflow (#652)

Author: radeva

README.md

@@ -42,7 +42,7 @@ $ tns run ios --bundle
 We love PRs! Check out the [contributing guidelines](CONTRIBUTING.md) and [instructions for local setup](https://github.com/NativeScript/nativescript-dev-webpack/blob/master/CONTRIBUTING.md#setup). If you want to contribute, but you are not sure where to start - look for [issues labeled `help wanted`](https://github.com/NativeScript/nativescript-dev-webpack/issues?q=is%3Aopen+is%3Aissue+label%3A%22help+wanted%22).
 
 ## Get Help 
-Please, use [github issues](https://github.com/NativeScript/nativescript-dev-webpack/issues) strictly for [reporting bugs](CONTRIBUTING.md#reporting-bugs) or [requesting features](CONTRIBUTING.md#requesting-features). For general questions and support, check out the [NativeScript community forum](https://discourse.nativescript.org/) or ask our experts in [NativeScript community Slack channel](http://developer.telerik.com/wp-login.php?action=slack-invitation).
+Please, use [github issues](https://github.com/NativeScript/nativescript-dev-webpack/issues) strictly for [reporting bugs](CONTRIBUTING.md#reporting-bugs) or [requesting features](CONTRIBUTING.md#requesting-features). For general questions and support, check out [Stack Overflow](https://stackoverflow.com/questions/tagged/nativescript) or ask our experts in [NativeScript community Slack channel](http://developer.telerik.com/wp-login.php?action=slack-invitation).
 
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