Resolved Command Event to just Command, with minimal changes

[bellemare]

Description

https://github.com/confluentinc/event-streaming-patterns/issues/261

New Pattern Checklist

• [YES] Pattern file name should follow docs/pattern-category/pattern-name.md
• [N/A ] Create an on-brand diagram (https://docs.google.com/presentation/d/1Zf256Z6fBvre3uclIbmxXsDpnTIxiBX66b13pHbGIYc/edit?usp=sharing)
• [N/A] Implement ksqlDB or code example (not all patterns will have code, but highly desired)
• [N/A] Provide references
• [YES] Validate hyperlinks
• [YES] Spell check (e.g. using aspell)
• [YES] Added to table of contents in docs/meta.yml (hint: run ./check_toc.sh to confirm)