Document self-service PostgreSQL server parameter tuning for Mendix on Azure - #11735

[vale] reported by reviewdog 🐶 [Mendix.ProductNames] Use 'Projects' instead of 'Apps' Raw Output: {"message": "[Mendix.ProductNames] Use 'Projects' instead of 'Apps'", "location": {"path": "content/en/docs/deployment/mx-azure/configuration/mx-azure-postgresql-parameter-tuning.md", "range": {"start": {"line": 134, "column": 29}}}, "severity": "ERROR"}