Two choices are available to users for welcome page

* For a jar deployment add classpath:static/index.html
(works via Spring MVC mapping)
* For a war the same thing works, but so does adding
index.html to src/main/webapp (works via container
default servlet)

[Fixes #54092261] [bs-252]

spring-boot-samples/spring-boot-sample-web-static/src/main/resources/logback.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+
+	<include resource="org/springframework/boot/logging/logback/base.xml"/>	
+	<logger name="org.springframework" level="DEBUG"/>
+	
+</configuration>