Create example/README.md

Damian Rouson · web-flow · commit c68befc7c344 · 2021-08-22T20:24:47.000-07:00
diff --git a/example/README.md b/example/README.md
@@ -0,0 +1 @@
+![Classes involved in [derived_type_diagnostic.f90](./derived_type_diagnostic.f90)](https://user-images.githubusercontent.com/13108868/130385757-6b79e5f1-5dec-440c-98f5-0f659c538754.png)

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+![Classes involved in [derived_type_diagnostic.f90](./derived_type_diagnostic.f90)](https://user-images.githubusercontent.com/13108868/130385757-6b79e5f1-5dec-440c-98f5-0f659c538754.png)`