Re-format example directory tree in README.md
Files in the exemplary tree were mis-aligned. So we replace it by the
output of `tree --dirsfirst`.
Change-Id: Ica4bdf811407e4af792e8bd1becf3083d126d24f
diff --git a/README.md b/README.md
index 2d2d339..7514661 100644
--- a/README.md
+++ b/README.md
@@ -47,11 +47,12 @@
```
[workspace]/
- WORKSPACE
- BUILD
- src/main/java/
- src/main/resources/
- [...]
+├── src
+│ └── main
+│ ├── java
+│ └── resources
+├── BUILD
+└── WORKSPACE
```
To build this plugin, your `BUILD` can look like this: