Auto update markdown TOC

Author: JasonMa0012

README.md

@@ -41,12 +41,15 @@ Having been validated through numerous large-scale commercial projects, employin
             * [Create Preset File](#create-preset-file)
             * [Edit Preset](#edit-preset)
          * [BitMask](#bitmask)
+         * [RampAtlasIndexer](#rampatlasindexer)
       * [Texture](#texture)
          * [Tex](#tex)
          * [Ramp](#ramp)
             * [ShaderLab](#shaderlab)
             * [C#](#c)
             * [Gradient Editor](#gradient-editor)
+         * [RampAtlas](#rampatlas)
+            * [Ramp Atlas Scriptable Object](#ramp-atlas-scriptable-object)
          * [Image](#image)
       * [Vector](#vector)
          * [Color](#color)

README_CN.md

@@ -41,12 +41,15 @@
             * [Create Preset File](#create-preset-file)
             * [Edit Preset](#edit-preset)
          * [BitMask](#bitmask)
+         * [RampAtlasIndexer](#rampatlasindexer)
       * [Texture](#texture)
          * [Tex](#tex)
          * [Ramp](#ramp)
             * [ShaderLab](#shaderlab)
             * [C#](#c)
             * [Gradient Editor](#gradient-editor)
+         * [RampAtlas](#rampatlas)
+            * [Ramp Atlas Scriptable Object](#ramp-atlas-scriptable-object)
          * [Image](#image)
       * [Vector](#vector)
          * [Color](#color)