feat: 新增技能扩展N7一章相关示例源码

code/newsletter/N7/templates/inheritance/base.md

@@ -0,0 +1,11 @@
+# {% block title %}{% endblock %}
+
+Your environment:
+
+{% block environment %}{% endblock %}
+
+---
+
+Bug detail:
+
+{% block description %}{% endblock %}