Start the Plugin interfaces

By: Dinnerbone <dinnerbone@dinnerbone.com>

paper-api/src/org/bukkit/plugin/Plugin.java

@@ -0,0 +1,33 @@
+
+package org.bukkit.plugin;
+
+/**
+ * Represents a plugin
+ */
+public abstract class Plugin {
+    private boolean isEnabled = false;
+
+    /**
+     * Returns a value indicating whether or not this plugin is currently enabled
+     * 
+     * @return true if this plugin is enabled, otherwise false
+     */
+    public final boolean isEnabled() {
+        return isEnabled;
+    }
+
+    /**
+     * Called when this plugin is enabled
+     */
+    protected abstract void onEnable();
+
+    /**
+     * Called when this plugin is disabled
+     */
+    protected abstract void onDisable();
+
+    /**
+     * Called when this plugin is first initialized
+     */
+    protected abstract void onInitialize();
+}