Add Kotlin implementation

Kotlin/Gaming32's Rewritten Grailsort for Kotlin/.gitignore

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+.gradle/
+.idea/
+build/
+kotlin-js-store/

Kotlin/Gaming32's Rewritten Grailsort for Kotlin/build.gradle.kts

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+plugins {
+    kotlin("multiplatform") version "1.7.10"
+    `maven-publish`
+}
+
+group = "io.github.holygrailsortproject"
+version = "1.0"
+
+repositories {
+    mavenCentral()
+}
+
+publishing {
+    repositories {
+        maven {
+            name = "gaming32"
+            credentials(PasswordCredentials::class)
+
+            val baseUri = "https://maven.jemnetworks.com"
+            url = uri(baseUri + if (version.toString().endsWith("-SNAPSHOT")) "/snapshots" else "/releases")
+        }
+    }
+}
+
+kotlin {
+    jvm {
+        compilations.all {
+            kotlinOptions.jvmTarget = "1.8"
+        }
+        withJava()
+        testRuns["test"].executionTask.configure {
+            useJUnitPlatform()
+        }
+    }
+    js(BOTH) {
+        browser {
+            commonWebpackConfig {
+                cssSupport.enabled = true
+            }
+        }
+    }
+    val hostOs = System.getProperty("os.name")
+    val isMingwX64 = hostOs.startsWith("Windows")
+    val nativeTarget = when {
+        hostOs == "Mac OS X" -> macosX64("native")
+        hostOs == "Linux" -> linuxX64("native")
+        isMingwX64 -> mingwX64("native")
+        else -> throw GradleException("Host OS is not supported in Kotlin/Native.")
+    }
+
+
+    sourceSets {
+        val commonMain by getting
+        val commonTest by getting {
+            dependencies {
+                implementation(kotlin("test"))
+            }
+        }
+        val jvmMain by getting
+        val jvmTest by getting
+        val jsMain by getting
+        val jsTest by getting
+        val nativeMain by getting
+        val nativeTest by getting
+    }
+}

Kotlin/Gaming32's Rewritten Grailsort for Kotlin/gradle.properties

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+kotlin.code.style=official
+kotlin.mpp.stability.nowarn=true
+kotlin.js.generate.executable.default=false

Kotlin/Gaming32's Rewritten Grailsort for Kotlin/gradle/wrapper/gradle-wrapper.properties

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.2-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists