structure match proof of concept

Author: phil-ramsden

structure_match_example1.json

@@ -0,0 +1,10 @@
+{
+	"comparisonType":"structure",
+	"answerTemplate":"Sin[p x + q]",
+	"response":"Sin[a x + b]",
+	"params":{
+		"named_variables":"{x}",
+		"correct_response_feedback":"Your answer is correct!",
+		"incorrect_response_feedback":"Your answer is incorrect!"
+	}
+}