Add page for patterns to prevent transient bugs

doc/development/transient/prevention-patterns.md

+---
+stage: none
+group: unassigned
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
+---
+
+# Preventing Transient Bugs
+
+This page will cover architectural patterns developers should employ when building new features to prevent transient bugs.
+