Repaired the index

src/main/java/dev/lumareth/improvedAerodynamics/Config.java

@@ -0,0 +1,55 @@
+package dev.lumareth.improvedAerodynamics;
+
+import net.minecraftforge.common.ForgeConfigSpec;
+
+public final class Config {
+    private static final ForgeConfigSpec.Builder BUILDER = new ForgeConfigSpec.Builder();
+
+    static {
+        BUILDER.push("terrainStreaming");
+    }
+
+    public static final ForgeConfigSpec.DoubleValue LOOKAHEAD_SECONDS = BUILDER
+            .comment("How many seconds of flight ahead of each ship terrain is loaded for")
+            .defineInRange("lookaheadSeconds", 3.0D, 0.5D, 20.0D);
+
+    public static final ForgeConfigSpec.DoubleValue MIN_SHIP_SPEED = BUILDER
+            .comment("Ships slower than this (blocks per second) are left to normal player chunk loading")
+            .defineInRange("minShipSpeed", 8.0D, 0.0D, 1000.0D);
+
+    public static final ForgeConfigSpec.IntValue CORRIDOR_MARGIN_CHUNKS = BUILDER
+            .comment("Extra chunks loaded on each side of a ship's predicted path")
+            .defineInRange("corridorMarginChunks", 1, 0, 8);
+
+    public static final ForgeConfigSpec.IntValue MAX_NEW_CHUNKS_PER_TICK = BUILDER
+            .comment("Upper limit of chunks newly requested (and newly given an air placeholder) per tick, protects the tick rate")
+            .defineInRange("maxNewChunksPerTick", 64, 1, 1024);
+
+    static {
+        BUILDER.pop();
+        BUILDER.push("airPlaceholder");
+    }
+
+    public static final ForgeConfigSpec.BooleanValue ENABLE_AIR_PLACEHOLDER = BUILDER
+            .comment("Valkyrien Skies treats terrain it has not received yet as solid, so ships hit a wall at unloaded chunks.",
+                    "When enabled, chunks on a ship's path that are not loaded yet are treated as air above the estimated",
+                    "world generation surface until the real terrain arrives. Everything below that stays solid.")
+            .define("enableAirPlaceholder", false);
+
+    public static final ForgeConfigSpec.IntValue PLACEHOLDER_SURFACE_MARGIN = BUILDER
+            .comment("Blocks above the estimated surface that stay solid, covers trees and structures")
+            .defineInRange("placeholderSurfaceMargin", 32, 0, 256);
+
+    public static final ForgeConfigSpec.IntValue PLACEHOLDER_RELEASE_TICKS = BUILDER
+            .comment("Ticks a placeholder chunk stays air after no ship needs it anymore, then it goes back to solid")
+            .defineInRange("placeholderReleaseTicks", 100, 20, 6000);
+
+    static {
+        BUILDER.pop();
+    }
+
+    static final ForgeConfigSpec SPEC = BUILDER.build();
+
+    private Config() {
+    }
+}