Start filling GitLab page

Author: Bertrand THOMAS

docs/companies/gitlab/gitlab.md

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 # GitLab
+
+🌐 [about.gitlab.com](https://about.gitlab.com/), [gitlab.com](https://gitlab.com/)
+
+## The company
+
+[The GitLab Handbook](https://handbook.gitlab.com/) is the first thing to look at, a truly amazing resource.
+You can even look at the [source code](https://gitlab.com/gitlab-com/content-sites/handbook)!
+
+GitLab started in 2011 as an open-source project.
+
+### Methodologies & Pratices
+
+- [MEDDPPICC](https://handbook.gitlab.com/handbook/sales/meddppicc/) (Metrics, Economic Buyer, Decision Process, Decision Criteria, Partner, Paper Process, Identify Pain, Champion, Competition)
+
+- [TeamOps](https://about.gitlab.com/teamops/)
+
+### Tools
+
+- Salesforce
+- [Slack](https://gitlab.enterprise.slack.com/)
+
+## The offering
+
+### Platform
+
+SaaS or self-managed
+
+### GitLab Duo
+
+> Ship more secure software faster with AI throughout the entire software development lifecycle
+
+🌐 [about.gitlab.com/solutions/gitlab-duo-pro](https://about.gitlab.com/solutions/gitlab-duo-pro/sales/)