✨ Convert build scripts to Kotlin

Also added some new tasks to only build/install to maven local certain platforms
`buildMinecraft`, `installMinecraft`, `buildDiscord`, `installDiscord`, `buildIRC`, `installIRC`

examples/example-bukkit/build.gradle

@@ -1,23 +0,0 @@
-apply plugin: "com.github.johnrengelman.shadow"
-
-def adventureVersion = "4.0.0-SNAPSHOT"
-
-shadowJar {
-    dependencies {
-        exclude(dependency("org.bukkit:bukkit:1.8.8-R0.1-SNAPSHOT"))
-    }
-}
-
-build.dependsOn(shadowJar)
-
-dependencies {
-    /* Cloud */
-    implementation project(":cloud-paper")
-    implementation project(":cloud-annotations")
-    implementation project(":cloud-minecraft-extras")
-    /* Extras */
-    implementation "me.lucko:commodore:1.9"
-    implementation "net.kyori:adventure-platform-bukkit:$adventureVersion"
-    /* Bukkit */
-    compileOnly "org.bukkit:bukkit:1.8.8-R0.1-SNAPSHOT"
-}

examples/example-bukkit/build.gradle.kts

@@ -0,0 +1,26 @@
+plugins {
+    id("com.github.johnrengelman.shadow")
+}
+
+tasks {
+    shadowJar {
+        dependencies {
+            exclude(dependency("org.bukkit:bukkit:1.8.8-R0.1-SNAPSHOT"))
+        }
+    }
+    build {
+        dependsOn(shadowJar)
+    }
+}
+
+dependencies {
+    /* Cloud */
+    implementation(project(":cloud-paper"))
+    implementation(project(":cloud-annotations"))
+    implementation(project(":cloud-minecraft-extras"))
+    /* Extras */
+    implementation("me.lucko", "commodore", vers["commodore"])
+    implementation("net.kyori", "adventure-platform-bukkit", vers["adventure-platform"])
+    /* Bukkit */
+    compileOnly("org.bukkit", "bukkit", "1.8.8-R0.1-SNAPSHOT")
+}