📝 README 修正

- 📝 README 修正

Author: dayjournal

README.md

@@ -3,6 +3,8 @@
 
 Easy to assign an attribute on QGIS. (QGISv3)  
 
+[QGIS Python Plugins Repository](https://plugins.qgis.org/plugins/AttributeAssignment)  
+
 [QGISv2 Repository](https://github.com/dayjournal/AttributeAssignment/tree/QGIS2)  
 
 <br/>
@@ -35,6 +37,8 @@ Copyright (c) 2018 Yasunori Kirimoto
 
 QGISで簡単に属性付与 (QGISv3)  
 
+[QGIS Python Plugins Repository](https://plugins.qgis.org/plugins/AttributeAssignment)  
+
 [QGISv2 Repository](https://github.com/dayjournal/AttributeAssignment/tree/QGIS2)  
 
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