fancyholograms v3: Introduce Y offset functionality for holograms, in…

[JuliGame]

Added new edit command to set Y Offset

📋 Description

Added Y Offset for linkedNPCs holograms
/hologram edit yOffset

2025-12-21.19-42-46.1.mp4

✅ Checklist

• My code follows the project's coding style and guidelines
• I have tested my changes locally and they work as expected
• I have added necessary documentation (if applicable)
• I have linked related issues using Fixes #issue_number or Closes #issue_number
• I have rebased/merged with the latest main branch

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🧪 How to Test

Please describe how to manually test the changes made in this PR.

1. /npc create testNPC
2. /hologram create text testHOLO
3. /hologram edit testHOLO linkWithNpc testNPC
4. /hologram edit testHOLO yOffset