Update 1.017 - Horn Added and more

As of the April 14, 2022 update for the Arknights Randomizer, the following changes have been made:

• Horn added to CN Pool
• Heidi added to CN Pool
• Rockrock added to CN Pool
• Chestnut added to CN Pool
• Fartooth enabled in EN pool
• Ashlock enabled in EN pool
• Maria Nearl stages have been added to Sidestory pool

Have fun, Doctors!