A number of new tracks have been added to “Fortnite Festival.” Fans participating in the game will now be able to purchase the following songs: Linkin Park – “Numb” Disturbed – “Down With The Sickness” Ed Sheeran – “Shivers” Gorillaz – “Feel Good Inc” Jack Harlow – “Whats Poppin” Panic! At The Disco – “High…