Switch from FG to archloom + essential-gradle-toolkit

- Upgrade Gradle to 8.7
- Increase build daemon max memory to 8GB because archloom can compile a lot
  more projects at the same time.
- Disable Minecraft 1.8 (not 1.8.9) because archloom fails to set up for that

settings.gradle.kts

@@ -6,21 +6,19 @@ pluginManagement {
         google()
         maven("https://jitpack.io")
         maven("https://maven.fabricmc.net")
+        maven("https://maven.architectury.dev/")
+        maven("https://maven.minecraftforge.net")
+        maven("https://repo.essential.gg/repository/maven-public")
     }
-    resolutionStrategy {
-        eachPlugin {
-            when (requested.id.id) {
-                "com.replaymod.preprocess" -> {
-                    useModule("com.github.replaymod:preprocessor:${requested.version}")
-                }
-            }
-        }
+    plugins {
+        id("gg.essential.multi-version.root") version "0.6.0"
+        id("com.github.johnrengelman.shadow") version "8.1.1"
     }
 }
 
 val jGuiVersions = listOf(
         // "1.7.10",
-        "1.8",
+        // "1.8",
         "1.8.9",
         "1.9.4",
         "1.12",
@@ -43,7 +41,7 @@ val jGuiVersions = listOf(
 )
 val replayModVersions = listOf(
         // "1.7.10",
-        "1.8",
+        // "1.8",
         "1.8.9",
         "1.9.4",
         "1.10.2",
@@ -75,13 +73,13 @@ rootProject.buildFileName = "root.gradle.kts"
 include(":jGui")
 project(":jGui").apply {
     projectDir = file("jGui")
-    buildFileName = "preprocess.gradle.kts"
+    buildFileName = "root.gradle.kts"
 }
 jGuiVersions.forEach { version ->
     include(":jGui:$version")
     project(":jGui:$version").apply {
         projectDir = file("jGui/versions/$version")
-        buildFileName = "../../build.gradle"
+        buildFileName = "../../build.gradle.kts"
     }
 }
 
@@ -89,6 +87,6 @@ replayModVersions.forEach { version ->
     include(":$version")
     project(":$version").apply {
         projectDir = file("versions/$version")
-        buildFileName = "../../build.gradle"
+        buildFileName = "../../build.gradle.kts"
     }
 }