Add KSP Flipper plugin

[KSPOG]

Summary

• add KSP Flipper plugin with overlay and panel
• implement flipping script that scans items, trades on the Grand Exchange and tracks profit
• track trade limits and handle auto-run behavior within the script
• fix GE slot checks and profit collection logic
• replace unavailable BreakHandlerScript.isBreakingSoon call and remove Rs2Mouse dependency
• wrap scheduled flip loop in try-catch to prevent uncaught errors

Testing

• mvn -q -pl runelite-client -am test (fails: Non-resolvable import POM; Network is unreachable)

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https://chatgpt.com/codex/tasks/task_e_68a725868e848330a15f1d8d170fb541