add meta-tags to display meta tags

[actXc]

If the database is well maintained meta data like title, description and author are availabe.
Until now, there is no chance to use the data.

the tags could be extended to provide not only the video, but also the meta data

[botr title RxiT0xrw-35er35rw] shows the tilte
[botr description RxiT0xrw-35er35rw] description
[botr author RxiT0xrw-35er35rw] and so on
status
tags
views
date
owner
custom:anydata

and others could be usefull