add build

docs/IOS_INSTALLATION.md

@@ -58,4 +58,7 @@ Change info.plist
 
 ![Step 8.1](./IOS_INSTALLATION/1.8.1_Set_info_plist.png)
 
-![Step 8.2](./IOS_INSTALLATION/1.8.2_Set_camera_and_microphone.png)
+![Step 8.2](./IOS_INSTALLATION/1.8.2_Set_camera_and_microphone.png)
+
+# Step 9 build
+`react-native run-ios`

docs/IOS_INSTALLATION.zh.md

@@ -54,4 +54,7 @@
 
 ![Step 8.1](./IOS_INSTALLATION/1.8.1_Set_info_plist.png)
 
-![Step 8.2](./IOS_INSTALLATION/1.8.2_Set_camera_and_microphone.png)
+![Step 8.2](./IOS_INSTALLATION/1.8.2_Set_camera_and_microphone.png)
+
+# Step 9 编译
+`react-native run-ios`