update template

template/externs/webextension_polyfill/scripting/CSSInjection.hx

@@ -0,0 +1,42 @@
+package webextension_polyfill.scripting;
+
+/**
+	Details of the css to insert.
+**/
+typedef CSSInjection = {
+	/**
+		A string containing the CSS to inject. Exactly one of <code>files</code> and <code>css</code> must be specified.
+		Optional.
+		
+		A string containing the CSS to inject. Exactly one of files and css must be specified.
+		Optional.
+	**/
+	@:optional
+	var css : String;
+	/**
+		The path of the CSS files to inject, relative to the extension's root directory. Exactly one of <code>files</code>
+		and <code>css</code> must be specified.
+		Optional.
+		
+		The path of the CSS files to inject, relative to the extension's root directory. NOTE: Currently a maximum of one file
+		is supported. Exactly one of files and css must be specified.
+		Optional.
+	**/
+	@:optional
+	var files : Array<String>;
+	/**
+		The style origin for the injection. Defaults to <code>'AUTHOR'</code>.
+		Optional.
+		
+		The style origin for the injection. Defaults to 'AUTHOR'.
+		Optional.
+	**/
+	@:optional
+	var origin : CSSInjectionOriginEnum;
+	/**
+		Details specifying the target into which to inject the CSS.
+		
+		Details specifying the target into which to insert the CSS.
+	**/
+	var target : InjectionTarget;
+};