Add server specifications (#164)

Author: Ndpnt

content/deployment/reference/_index.md

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+---
+title: Reference
+weight: 2
+---

content/deployment/reference/server-specifications.md

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+---
+title: Server specifications
+weight: 1
+---
+
+# Server specifications
+
+The minimum recommended server specifications are:
+
+- 2GB RAM
+- 1CPU @ 2GHz
+- 10GB storage
+
+Approximately 750MB of storage is required for the engine itself, with the remaining space allocated for data generated by the engine.
+
+## Storage growth
+
+Storage requirements typically grow at a rate of less than 0.5MB per tracked terms per month on average. This growth rate varies depending on the type of service being tracked:
+
+- Very large online platforms with large legal teams and heavy layouts: ~1MB per terms per month
+- Standard collections: ~0.1-0.3MB per terms per month
+
+## Operating system
+
+Supported operating systems:
+- Ubuntu 20.04 or higher
+- Debian 11 or higher
+
+## Location
+
+Servers should be physically located in geographic regions that align with the jurisdiction the collection targets to ensure to [obtain documents like a user would]({{< relref "concepts/design-principles#3-obtain-documents-like-a-user-would" >}}). This is crucial because some services deliver different versions of documents based on the location of the request, even when the documents are supposed to be identical.