* Add platform markup to trading platform prices
Introduces a PlatformMarkupProcent field to CP14TradingPlatformComponent and applies it to price calculations in both client and server logic. Adds a new public trading platform entity with a higher markup and updates related sprites and metadata.
* Add platform markup percent to selling platforms
Introduces a PlatformMarkupProcent field to CP14SellingPlatformComponent, allowing selling platforms to apply a markup or markdown to item prices. Updates server logic to use this value when calculating payouts and UI state. Adds a new public selling platform entity with a lower markup in the trade_platform.yml prototype.
* Add Brad Potions trading requests prototype
Introduces a new YAML prototype defining multiple cp14TradingRequest entries for the BradPotions faction, each specifying requirements for various potion effects with minimum purity and amount.
* Apply platform markup to selling prices and payouts
Updated the selling request control and platform window to factor in the platform's markup percentage when displaying prices. Adjusted the server-side payout logic to multiply the payout by the platform markup percentage, ensuring consistency between client display and server rewards.
* replace mapping to public platforms
* bug + remove eepy potions request
* Clarify purity requirement in workbench reagent text
Updated the reagent requirement string in both English and Russian locale files to indicate that the required purity is '{$purity}%+' instead of just '{$purity}%'. This clarifies that the purity must be at least the specified percentage.
