Basic plugin manager

src/main/java/emu/grasscutter/plugin/PluginConfig.java

@@ -0,0 +1,18 @@
+package emu.grasscutter.plugin;
+
+/**
+ * The data contained in the plugin's `plugin.json` file.
+ */
+public final class PluginConfig {
+    public String name, description, version;
+    public String mainClass;
+    public String[] authors;
+
+    /**
+     * Attempts to validate this config instance.
+     * @return True if the config is valid, false otherwise.
+     */
+    public boolean validate() {
+        return name != null && description != null && mainClass != null;
+    }
+}