docs: Updated quick start page. Docker compose command had a typo

[jonedmiston]

SUMMARY

The quick start guide appears to have a typo in the docker compose message.
Before
docker compose -f docker compose-image-tag.yml up
After
docker compose -f docker-compose-image-tag.yml up

Note the missing dash in the yml file.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

N/A

TESTING INSTRUCTIONS

The compose command did not work before, but now it does.

ADDITIONAL INFORMATION

• Has associated issue:
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[github-actions]

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