feat: add godzilla filter generate

vul-webapp/build.gradle

@@ -0,0 +1,14 @@
+plugins {
+    id 'war'
+}
+
+group = 'com.reajason.javaweb.vul'
+version = '1.0-SNAPSHOT'
+
+dependencies {
+    providedCompile "javax.servlet:servlet-api:2.5"
+}
+
+test {
+    useJUnitPlatform()
+}

vul-webapp/src/main/webapp/WEB-INF/web.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee"
+         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
+         id="WebApp_ID" version="2.5">
+    <welcome-file-list>
+        <welcome-file>index.html</welcome-file>
+    </welcome-file-list>
+</web-app>

vul-webapp/src/main/webapp/index.html

@@ -0,0 +1 @@
+<h1>hello</h1>