v0.2.0

• added juliarose's item and currency picking in trade offers
• added link to pricedb's discord in popup
• added trade summary item values (@OliverPerring)
• fixed trade offer creation when using next.backpack.tf
• removed element reordering on next.backpack.tf
• fixed pricedb graph insertion on next.backpack.tf
• improved sku building (@OliverPerring)
• improved old backpack.tf linking on marketplace.tf item pages
• popup now shows version
• added link to pricedb item page when right clicking items on scrap.tf