[New track] giveaway/freeanywhere

[arseny92]

Site to add: freeanywhere.net
Pattern: https://freeanywhere.net/#/giveaway/{id} - id numeric. Note that the home page may not list some giveaways, so IDs may need to be manually probed
Examples: https://freeanywhere.net/#/giveaway/1 , https://freeanywhere.net/#/giveaway/2
Suggested key: giveaway/freeanywhere