Added more content for CSRF lesson

.gitignore

@@ -14,7 +14,8 @@
 /.settings/org.eclipse.wst.validation.prefs
 /.externalToolBuilders/
 .project
-/target
+*/target/*
+mongo-data/*
 .classpath
 .idea/
 .settings/
@@ -29,6 +30,7 @@ src/main/webapp/plugin_lessons/*.jar
 src/main/webapp/users/*.props
 classes/*
 *.iml
+pom.xml.versionsBackup
 
 /*.iml
 .extract/*
@@ -39,3 +41,4 @@ webgoat-lessons/**/target
 **/*.jar
 **/.DS_Store
 webgoat-server/mongo-data/*
+webgoat-lessons/vulnerable-components/dependency-reduced-pom.xml