✨ 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`

settings.gradle.kts

@@ -0,0 +1,54 @@
+rootProject.name = "cloud"
+
+// Core Modules
+include(":cloud-core")
+include(":cloud-services")
+include(":cloud-tasks")
+include(":cloud-annotations")
+
+// Extension Modules
+include(":cloud-kotlin-extensions")
+
+// Discord Modules
+setupDiscordModule("cloud-javacord")
+setupDiscordModule("cloud-jda")
+
+// Minecraft Modules
+setupMinecraftModule("cloud-brigadier")
+setupMinecraftModule("cloud-bukkit")
+setupMinecraftModule("cloud-paper")
+setupMinecraftModule("cloud-velocity")
+setupMinecraftModule("cloud-sponge")
+setupMinecraftModule("cloud-bungee")
+setupMinecraftModule("cloud-cloudburst")
+setupMinecraftModule("cloud-minecraft-extras")
+
+// IRC Modules
+setupIrcModule("cloud-pircbotx")
+
+// Example Modules
+setupExampleModule("example-bukkit")
+setupExampleModule("example-bungee")
+setupExampleModule("example-jda")
+setupExampleModule("example-velocity")
+
+fun setupIrcModule(name: String) =
+        setupSubproject(name, file("cloud-irc/$name"))
+
+fun setupDiscordModule(name: String) =
+        setupSubproject(name, file("cloud-discord/$name"))
+
+fun setupMinecraftModule(name: String) =
+        setupSubproject(name, file("cloud-minecraft/$name"))
+
+fun setupExampleModule(name: String) =
+        setupSubproject(name, file("examples/$name"))
+
+fun setupSubproject(name: String, projectDirectory: File) = setupSubproject(name) {
+    projectDir = projectDirectory
+}
+
+inline fun setupSubproject(name: String, block: ProjectDescriptor.() -> Unit) {
+    include(name)
+    project(":$name").apply(block)
+}