feat: add Institute of International Education blog (#6321)

docs/en/new-media.md

@@ -117,6 +117,12 @@ Provides a better reading experience (full text articles) over the official one.
 
 </RouteEn>
 
+## Institute of International Education
+
+### Blog
+
+<RouteEn author="nczitzk" example="/iie/blog" path="/iie/blog" />
+
 ## Letterboxd
 
 ### User diary

docs/new-media.md

@@ -254,6 +254,12 @@ Tag
 
 </Route>
 
+## 国际教育研究所
+
+### Blog
+
+<Route author="nczitzk" example="/iie/blog" path="/iie/blog" />
+
 ## InfoQ 中文
 
 ### 推荐