Add basic functionality to configure the module to include the iframe resizer...

Add basic functionality to configure the module to include the iframe resizer library javascript files.

Closes #3196264

config/install/iframe_resizer.settings.yml

@@ -12,6 +12,7 @@ iframe_resizer_advanced:
     widthCalculationMethod: scroll
     autoResize: TRUE
     bodyBackground: ''
+    bodyPadding: ''
     bodyMargin: ''
     inPageLinks: FALSE
     interval: 32
@@ -24,6 +25,7 @@ iframe_resizer_advanced:
     sizeHeight: TRUE
     sizeWidth: FALSE
     tolerance: 0
+    checkOrigin: TRUE
 
 iframe_resizer_advanced_hosted_options:
     targetOrigin: '*'