update readme

README.md

@@ -1 +1,10 @@
-test file
+---
+license: mit
+tags:
+  - "<img src=x onerror=alert(1)>"
+  - "{{7*7}}"
+widget:
+  - src: "javascript:alert(1)"
+---
+# Test Model
+This is a test model with {{constructor.constructor("return this")()}} and <script>alert(1)</script>