🏥 Add Memory Therapy to Trader

[Jonathan Robertson]

• Remove forgetting elixir item
• Add option to respec at trader
• Set cost based on level, maybe 1/2 the cost of your memory recovery

Tasks

• add console command to trigger respec
• remove forgetting elixir from loot
• remove forgetting elixir from traders
• add Therapy option at trader
• add Therapy price
• add supporting dialog and purchase processes for Therapy

Tests

• reset skill points via Therapy properly flushes purchased skills and returns skill points