Strangler fig

[daveklein]

Description

Strangler Fig pattern for migrating from monoliths to microservices

New Pattern Checklist

• [x] Pattern file name should follow docs/pattern-category/pattern-name.md
• [x] Create an on-brand diagram (https://docs.google.com/presentation/d/1Zf256Z6fBvre3uclIbmxXsDpnTIxiBX66b13pHbGIYc/edit?usp=sharing)
• [ ] Implement ksqlDB or code example (not all patterns will have code, but highly desired)
• [x] Provide references
• [ ] Validate hyperlinks
• [x] Spell check (e.g. using aspell)