XF 1.5 how would i add this script in navigation

[Senpai]

i would like to add the little player i made using scmplayer in navigation next to http://prntscr.com/egv0f2
could someone tell me how i could do it my knowledge in xenforo is really bad sorry about this noobish behaviour

script:

<!-- SCM Music Player http://scmplayer.co -->
<script type="text/javascript" src="http://scmplayer.co/script.js" 
data-config="{'skin':'http://static.tumblr.com/d41lcii/YGKmnp9r1/diamond.css','volume':50,'autoplay':false,'shuffle':false,'repeat':1,'placement':'top','showplaylist':false,'playlist':[{'title':'','url':'https://www.youtube.com/watch?v=l1j8VChdRI4'},{'title':'','url':'https://www.youtube.com/watch?v=f6suaDGWmOo'},{'title':'','url':'https://www.youtube.com/watch?v=E_WuLZRB8AA'},{'title':'','url':'https://www.youtube.com/watch?v=pOslx4hKwZk'},{'title':'','url':'https://www.youtube.com/watch?v=CyfwmoGJzNE'},{'title':'','url':'https://www.youtube.com/watch?v=NJetWqwVVfA'},{'title':'','url':'https://www.youtube.com/watch?v=r2PpLRjaWT8'},{'title':'','url':'https://www.youtube.com/watch?v=dFOErVWlsxg'},{'title':'','url':'https://www.youtube.com/watch?v=I43DkCnI1FU'},{'title':'','url':'https://www.youtube.com/watch?v=Ls5-rVVt7FA'},{'title':'','url':'https://www.youtube.com/watch?v=oJCjLCL9tuo'},{'title':'','url':'https://www.youtube.com/watch?v=5yjSG2es_Ew'},{'title':'','url':'https://www.youtube.com/watch?v=8a9lMK83-cI'},{'title':'','url':'https://www.youtube.com/watch?v=RqQGUJK7Na4'},{'title':'','url':'https://www.youtube.com/watch?v=MQOG5BkY2Bc'},{'title':'','url':'https://www.youtube.com/watch?v=xPF3YdUEbKo'},{'title':'','url':'https://www.youtube.com/watch?v=QVQFilmqa7k'}]}" ></script>
<!-- SCM Music Player script end -->

 

[Paul B]

Point 5 of the FAQ explains where to add custom JS: https://xenforo.com/community/threads/frequently-asked-questions.5183/#post-181112