Update 31.6

[h2]Added to the game: [/h2]

USens picker for 7.2 kg
STK LineStar 2.8 kg line
Tapered leader for 10.4 kg fly fishing
USens line set (3, 5 and 7 kg)
A set of ultra-light and light USens reels
Italy: added a new type of fish - bluefish
Some bugs fixed
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