Frontent dev env (#247)

* Added frontend development files/environment

* More items-categories related removals

* Improvements in pages templates (inc. static pages)

* Improvements in video player

* Added empty home page message + cta

* Updates in media, playlist and management pages

* Improvements in material icons font loading

* Replaced media & playlists links in frontend dev-env

* frontend package version update

* chnaged frontend dev url port

* static files update

* Changed default position of theme switcher

* enabled frontend docker container

frontend/packages/vjs-plugin-font-icons/README.md

@@ -0,0 +1,16 @@
+# mediacms-vjs-plugin-font-icons
+
+> This project is cloned from _video.js_ [font icons repository](https://github.com/videojs/font) to cover the needs of "**mediacms-vjs-plugin**"
+
+Compared to the original repository:
+
+- Added folder "**scripts**"
+- Added folder "**mediacms**"
+- Added npm cli command "**build**" which generates "_build_" and "_dist_" folders
+- Added npm cli command **"clean:builds"** which removes _"build"_ and _"dist"_ folders
+- Added "_rimraf_" package
+- Updated dependency packages
+
+The final css file, is generated inside "_dist_" folder
+
+- **dist/mediacms-vjs-icons.css**