examples improvement - added some README.md stubs

examples/redmine/README.md

@@ -0,0 +1,11 @@
+# Redmine
+
+Redmine is a free and open source, web-based project management and issue tracking tool. See the official [website](https://www.redmine.org) and [repository](https://svn.redmine.org/redmine/) for more information.
+
+## Architecture
+
+<img src="https://github.com/bunkerity/bunkerized-nginx/blob/dev/examples/redmine/architecture.png?raw=true" />
+
+## Docker
+
+See [docker-compose.yml](https://github.com/bunkerity/bunkerized-nginx/blob/master/examples/redmine/docker-compose.yml).