Add JvmStatic to fix --help command (bootstrapper calls these)

README.md

@@ -1,2 +1,2 @@
 # packwiz-installer
-An installer for launching packwiz modpacks with MultiMC.
+An installer for launching packwiz modpacks with MultiMC. You'll need [the bootstrapper](https://github.com/comp500/packwiz-installer-bootstrap/releases) to actually use this.

src/main/kotlin/link/infra/packwiz/installer/Main.kt

@@ -86,6 +86,7 @@ class Main(args: Array<String>) {
 
 	companion object {
 		// Called by packwiz-installer-bootstrap to set up the help command
+		@JvmStatic
 		fun addNonBootstrapOptions(options: Options) {
 			options.addOption("s", "side", true, "Side to install mods from (client/server, defaults to client)")
 			options.addOption(null, "title", true, "Title of the installer window")
@@ -94,6 +95,7 @@ class Main(args: Array<String>) {
 		}
 
 		// TODO: link these somehow so they're only defined once?
+		@JvmStatic
 		private fun addBootstrapOptions(options: Options) {
 			options.addOption(null, "bootstrap-update-url", true, "Github API URL for checking for updates")
 			options.addOption(null, "bootstrap-update-token", true, "Github API Access Token, for private repositories")