rename config extendedNearClip -> overdrawPrevention

Also add a few new options for it

api/src/main/java/com/seibel/lod/api/enums/config/EOverdrawPrevention.java

@@ -0,0 +1,39 @@
+/*
+ *    This file is part of the Distant Horizons mod (formerly the LOD Mod),
+ *    licensed under the GNU LGPL v3 License.
+ *
+ *    Copyright (C) 2020-2022  James Seibel
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Lesser General Public License as published by
+ *    the Free Software Foundation, version 3.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU Lesser General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Lesser General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.seibel.lod.api.enums.config;
+
+/**
+ * NONE <br>
+ * LIGHT <br>
+ * MEDIUM <br>
+ * HEAVY <br> <br>
+ */
+public enum EOverdrawPrevention
+{
+	// Reminder:
+	// when adding items up the API minor version
+	// when removing items up the API major version
+	
+	NONE,
+	LIGHT,
+	MEDIUM,
+	HEAVY;
+	
+}