Update readme

README.md

@@ -8,4 +8,33 @@ Download the unitypackage to you project
 
 ## Usage
 
-After install there will be a "MMDHelper" menu added
+After install there will be a "MMDHelper" menu added
+
+menu: 
+![alt text][menu]
+
+### Auto Assign
+
+This can fill the abc file material with pmx material list exported from pmx editor
+
+#### Step by step
+
+* Get pmx editor plugin [Here](https://github.com/ShiinaManatsu/PmxEditorPlugins "PmxEditorPlugins")
+* Load your model and save to json
+  ![alt text][menu]
+* Load all model files to the untiy project
+* Add .abc model to the scene
+* Select model, all texture needed and json file just created
+* Press auto assign then finish assign and will save all material to assets
+
+### MMD4Material To HDMaterial
+
+Select the material created by MMD4Mecanim and right click on it and click MMDHelper-Upgrade To Lit Material
+
+### Texture To HDMaterial
+
+Select texture file right click on it and click MMDHelper-Create Lit Material wil create hdrp lit material with selected texture
+
+
+[menu]:https://raw.githubusercontent.com/ShiinaManatsu/MMD4UnityTools/master/Images/Menu.png "Menu"
+[save]:https://raw.githubusercontent.com/ShiinaManatsu/MMD4UnityTools/master/Images/SaveJson.png "Save to json"