Adding basic control and position tracking of played file.

the VLC_RC.playing property is not very accurate right now and possibly switches to false, even if the video isn't finished.

.gitignore

@@ -4,6 +4,7 @@ logs
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
+.vscode/
 
 # Runtime data
 pids