Improve documentation

docs/concepts/harness.md

@@ -0,0 +1,98 @@
+
+## Content of an harness
+This is a list of recommended files or directory to create your own harnesses:
+
+```
+harness-sample
+├── LICENSE                   # The licence file with which to release your harness
+├── README.md                 # The main documentation file for your harness
+├── _twig/                    # The TWIG templated collection for any file that required to be rendered dynamically
+├── .ci/                      # The collection of semple files Continuous Integration
+├── application/              # The default collection of files for a new project application
+├── docker/                   # The default collection of files for the docker images build for a new application
+├── docker-compose.yml.twig   # the TWIG template for the docker-compose file to run a new application
+├── docs/                     # The directory for the harness extended documentation
+├── harness/                  # The directory for the extended harness configuration
+│   ├── attributes/
+│   ├── config/
+│   └── scripts/
+├── harness.yml               # The main harness configuration file
+├── helm/                     # The directory containing the TWIG templates to render a new application K8s' Helm Chart dynamically
+│   ├── app/
+│   └── qa/
+└── mutagen.yml.twig          # The TWIG template for the Mutagen file
+```
+
+### TWIG templates
+
+```
+├── _twig/
+├── docker-compose.yml.twig
+└── mutagen.yml.twig
+```
+### Continuous Integrations samples
+```
+├── .ci/
+```
+### Application
+```
+├── application/
+│   ├── overlay
+│   ├── skeleton
+│   └── static
+```
+
+### Docker images default definitions
+
+```
+├── docker/
+│   └── image/
+```
+
+### Harness documentation
+```
+├── docs/
+```
+### Harness default configuration
+
+```
+├── harness/
+│   ├── attributes/
+│   │   ├── common.yml
+│   │   ├── docker-base.yml
+│   │   ├── docker.yml
+│   │   └── environment/
+│   ├── config/
+│   │   ├── cleanup.yml
+│   │   ├── commands.yml
+│   │   ├── confd.yml
+│   │   ├── events.yml
+│   │   ├── external-images.yml
+│   │   ├── functions.yml
+│   │   ├── mutagen.yml
+│   │   ├── pipeline.yml
+│   │   ├── secrets.yml
+│   └── scripts/
+│       ├── destroy.sh
+│       ├── disable.sh
+│       ├── enable.sh
+│       ├── latest-mutagen-release.php
+│       ├── mutagen.sh
+│       ├── rebuild.sh
+├── harness.yml
+```
+### HELM templates
+```
+├── helm/
+│   ├── app/
+│   │   ├── Chart.yaml.twig
+│   │   ├── _twig
+│   │   ├── templates
+│   │   ├── values-preview.yaml.twig
+│   │   ├── values-production.yaml.twig
+│   │   └── values.yaml.twig
+│   └── qa/
+│       ├── Chart.yaml.twig
+│       ├── requirements.yaml.twig
+│       └── values.yaml.twig
+```