Added files to GIT that where missing

Dev note: Lowery, IDK why these where already added?

Plugin-API/src/main/java/me/zacharias/chat/plugin/LoadedPlugins.java

@@ -0,0 +1,5 @@
+package me.zacharias.chat.plugin;
+
+public class LoadedPlugins {
+    // TODO: Implement
+}