fix license

src/main/java/me/shedaniel/rei/api/ItemRendererHooks.java

@@ -1,3 +1,8 @@
+/*
+ * Roughly Enough Items by Danielshe.
+ * Licensed under the MIT License.
+ */
+
 package me.shedaniel.rei.api;
 
 import me.shedaniel.rei.api.annotations.Internal;

src/main/java/me/shedaniel/rei/mixin/MixinItemRenderer.java

@@ -1,3 +1,8 @@
+/*
+ * Roughly Enough Items by Danielshe.
+ * Licensed under the MIT License.
+ */
+
 package me.shedaniel.rei.mixin;
 
 import me.shedaniel.rei.api.ItemRendererHooks;