introduce method to add custom metadata to plugins

src/api/plugin.ts

@@ -51,7 +51,7 @@ async function init() {
 	});
 }
 
-function add(iife: string) {
+function add(iife: string, customMeta: UnknownObject = {}) {
 	const exports = pluginEval(iife);
 	logger.debug(["Plugins"], `Adding ${exports.meta.name}`);
 	pluginNest.store.plugins[exports.meta.name] = {
@@ -59,6 +59,7 @@ function add(iife: string) {
 		enabled: false,
 		desc: exports.meta.desc
 	};
+	Object.assign(pluginNest.store.plugins[exports.meta.name], customMeta)
 }
 
 function del(name: string) {

src/global.d.ts

@@ -18,6 +18,11 @@ interface Nest<Schema> {
 	emit: any
 }
 
+//we could just use `{}` for this but that's jank if we want to assign a new key/val to it
+type UnknownObject = {
+	[prop: string]: any
+}
+
 type DemonGlobal = {
 	summon: (mod: string) => any
 }