ShieldGrid - Create Aeronautics & Big Cannons Compat

### Balance Changes

* **Impact Dampener** now reduces incoming damage by **30%**.
* **Signal Amplifier** now increases radar duration by **+30 seconds** instead of +15 seconds.
* Radar duration increased from **35 seconds to 65 seconds**.

### Shield Changes

* Active shields on physics objects can now break leaves.
* Shields now have a new GUI.
* Shield color options can now be configured.

### New Shield Upgrade

* **Emergency Reserve**

  * When the shield would drop to 0 HP, it survives once at **1 HP**.
  * Cooldown: **2 minutes**.

### New Radar Upgrades

* **Energy Scrambler**

  * After the radar effect ends, the affected shield cannot actively regenerate for **15 seconds**.

* **Shield Breaker**

  * If the target shield is below **25% energy**, radar suppression duration is increased by **+20 seconds**.

### Radar Changes

* Radar now has a new GUI.

### Bug Fixes

* Mobs can no longer enter physical shields.
* Shield and radar blocks now continue from their previous saved state after being broken.