Add generate level exam endpoint.

app.py

@@ -766,6 +766,22 @@ def get_reading_passage_3_question():
         return str(e)
 
 
+@app.route('/level', methods=['GET'])
+@jwt_required()
+def get_level_exam():
+    try:
+        number_of_exercises = 25
+        exercises = gen_multiple_choice_level(number_of_exercises)
+        return {
+            "exercises": [exercises],
+            "isDiagnostic": False,
+            "minTimer": 25,
+            "module": "level"
+        }
+    except Exception as e:
+        return str(e)
+
+
 @app.route('/fetch_tips', methods=['POST'])
 @jwt_required()
 def fetch_answer_tips():