public static Path findCurrent() {
        // Increase the call depth by 1 because we delegate.
        return findCurrent(1);
    }
Returns the {@link Path} to the JAR, WAR or directory where the caller class of this method is located
at. This method is a shortcut for {@code findCurrent(0)}.
core/src/main/java/com/linecorp/armeria/common/util/AppRootFinder.java