Animate control surfaces and flaps from the real deflection

A GeckoLib GeoModel mixin sets the Fin bone of Warium's control surfaces to the
deflection the flight physics uses, synced to nearby clients per ship.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01YVREx3uo7nz1FEhzveWTUh

build.gradle

@@ -84,6 +84,10 @@ dependencies {
     compileOnly fg.deobf("blank:WariumVS:1.1.7")
     compileOnly fg.deobf("blank:futurism:0.0.4")
 
+    // GeckoLib 4.8.4, which Warium VS animates its control surfaces with (optional dependency, remapped, the surface animation mixin
+    // only applies when it and Warium VS are present)
+    compileOnly fg.deobf("maven.modrinth:geckolib:aC5KMoNg")
+
     // AzureLib 3.2.7 for the animated block models (optional dependency, the common jar uses obfuscated names, so it is remapped)
     compileOnly fg.deobf("mod.azure.azurelib:azurelib-common-${minecraft_version}:${azurelib_version}")
 }