Annihilates them boulders when you step on it

[JniTrRny]

Totally not an anti boulder movement Pull Request.

https://github.com/Anuken/Mindustry/assets/85090668/3380d7e3-d440-4783-b60f-4afda5899daa

also works with legs 💪

https://github.com/Anuken/Mindustry/assets/85090668/bb2bf559-c133-439b-a3ba-57a240ff5e4f

---

If your pull request is not translation or serverlist-related, read the list of requirements below and check each box:

• [X] I have read the contribution guidelines.
• [X] I have ensured that my code compiles, if applicable.
• [X] I have ensured that any new features in this PR function correctly in-game, if applicable.

[Slotterleet]

DO NOT TOUCH THE BOULDER

[MEEPofFaith]

~~why doesn't the boulder break effect play above the boulder draw layer~~