POST endpoint for importing m3u playlists - #2078 (#2273)

* wip: API endpoint for creating playlists from m3u files

* wip: get user id from context

* temporarily disable failing test

* custom logic for playlist route to accomodate m3u content type

* incorporate playlist parsing into existing logic in core

* re-enable test

* fix locally failing test

* Address requested changes.

* Improve ImportFile tests.

* Remove ownerID as a parameter of ImportM3U.

* Write tests for ImportM3U.

* Separate ImportM3U test into two.

* Test OwnerID and playlist Name.

---------

Co-authored-by: Sam Watson <SwatsonCodes@users.noreply.github.com>
Co-authored-by: caiocotts <caio@cotts.com.br>

cmd/wire_gen.go

@@ -40,7 +40,8 @@ func CreateNativeAPIRouter() *nativeapi.Router {
 	sqlDB := db.Db()
 	dataStore := persistence.New(sqlDB)
 	share := core.NewShare(dataStore)
-	router := nativeapi.New(dataStore, share)
+	playlists := core.NewPlaylists(dataStore)
+	router := nativeapi.New(dataStore, share, playlists)
 	return router
 }