Merge pull request #4578 from shaedrich/patch-5

Create topic "DDD"

Author: tomthorogood

topics/domain-driven-design/index.md

@@ -0,0 +1,10 @@
+---
+display_name: Domain-driven design (DDD)
+short_description: Domain-driven design is a programming paradigm where code is separated into domains with distinct business logic.
+topic: domain-driven-design
+aliases: ddd
+related: clean-architecture, cqrs, event-sourcing, microservices
+wikipedia_url: https://en.wikipedia.org/wiki/Domain-driven_design
+---
+**Domain-driven design** (**DDD**) is is a programming paradigm where code is separated into domains with distinct business logic. This helps isolating relating logic and stick to each domain's objective.
+