Add 'How to install QtGstreamer and related plugins for unix version'

How-to-install-QtGstreamer-and-related-plugins-for-unix-version.md

@@ -0,0 +1,14 @@
+## Install required packages
+```
+sudo apt install libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev
+sudo apt install qtgstreamer-plugins-qt5
+
+optional:
+sudo apt-get install libboost-all-dev
+
+```
+
+Usefull links:
+[qtquick2videosink](https://gstreamer.freedesktop.org/data/doc/gstreamer/head/qt-gstreamer/html/qtvideosink_overview.html)
+[GStreamer](https://github.com/GStreamer/qt-gstreamer)
+[Developer Library Best practices for application development Using GStreamer](http://mirror.thecust.net/meego_1.2_harmattan_developer_documentation/html/guide/html/Developer_Library_Best_practices_for_application_development_Using_GStreamer.html)