GitLab

* enh(doc): external PR workflow

* doc(README): Add README to provide instructions for documentation

* enh(CONTRIBUTING.md): add section for the documentation

* enh(FEATURE_REQUEST.md): fully use the markdown language

* enh(ISSUE_TEMPLATE.md): ask for more information

* Asking for browser information
* Asking for logs
* Fully use the markdown syntax

* enh(PULL_REQUEST_TEMPLATE.md): fully use markdown syntax

* Removing references to the forum
* Adding link to join official Centreon Slack