feat: Nimmersatt's monsters

[hecmo94]

Description

Add Nimmersatt's monsters:

• Dragolisk,
• Wardragon,
• Mega Dragon.
• Step in Teleport.

Type of change

• New feature (non-breaking change which adds functionality)

Test Configuration:

• Server Version: Latest.
• Client: 13.32
• Operating System: Windows 10

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I checked the PR checks reports
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works

[dudantas]

It seems to me that everything is fine, however, the lua check is not running, which causes the pull to be blocked for merge.

[majestyotbr]

Due to lua check being broken in your fork, I will open a new PR with these changes and add you as a co-author.
Thanks for your contribution.