Move repo structure to a separate document

Reduces the clutter in CONTRIBUTING.md.

1 files changed, 54 insertions, 0 deletions

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+# Repository structure
+
+### Ansible
+
+```
+.
+├── inventory           Contains dynamic inventory scripts, and examples of
+│                       Ansible inventories.
+├── library             Contains Python modules used by the playbooks.
+├── playbooks           Contains Ansible playbooks targeting multiple use cases.
+└── roles               Contains Ansible roles, units of shared behavior among
+                        playbooks.
+```
+
+#### Ansible plugins
+
+These are plugins used in playbooks and roles:
+
+```
+.
+├── ansible-profile
+├── callback_plugins
+├── filter_plugins
+└── lookup_plugins
+```
+
+### Scripts
+
+```
+.
+├── bin                 [DEPRECATED] Contains the `bin/cluster` script, a
+│                       wrapper around the Ansible playbooks that ensures proper
+│                       configuration, and facilitates installing, updating,
+│                       destroying and configuring OpenShift clusters.
+│                       Note: this tool is kept in the repository for legacy
+│                       reasons and will be removed at some point.
+└── utils               Contains the `atomic-openshift-installer` command, an
+                        interactive CLI utility to install OpenShift across a
+                        set of hosts.
+```
+
+### Documentation
+
+```
+.
+└── docs                Contains documentation for this repository.
+```
+
+### Tests
+
+```
+.
+└── test                Contains tests.
+```