feat: add SurrealDB service template

[Smeet23]

Changes

Added a one-click deploy service template for SurrealDB — a scalable multi-model database supporting documents, graphs, vectors, and SQL queries in a single engine.

• Added templates/compose/surrealdb.yaml using the official surrealdb/surrealdb:latest image with RocksDB persistent storage
• Added public/svgs/surrealdb.svg (official SurrealDB icon)
• Auth via Coolify's SERVICE_USER_SURREALDB / SERVICE_PASSWORD_SURREALDB variables
• Healthcheck using surreal isready endpoint on port 8000

Issues

• Fixes [Enhancement]: Add surrealDB with and without TIKV #7642

Category

• Bug fix
• Improvement
• New feature
• Adding new one click service
• Fixing or updating existing one click service

Preview

Deploys SurrealDB on port 8000 with persistent RocksDB storage and credentials auto-generated by Coolify.

AI Assistance

• AI was used (please describe below)

If AI was used:

• Tools used: Claude Code
• How extensively: Used to generate the initial compose template structure and fetch the SVG logo. Reviewed against official SurrealDB Docker documentation before submission.

Testing

• Verified surrealdb/surrealdb:latest image exists and is maintained on Docker Hub
• Compose structure follows existing Coolify service template patterns (checked against 10+ existing templates)
• Healthcheck uses the official surreal isready CLI command per SurrealDB docs

Contributor Agreement

Important

• I have read and understood the contributor guidelines. If I have failed to follow any guideline, I understand that this PR may be closed without review.
• I have searched existing issues and pull requests (including closed ones) to ensure this isn't a duplicate.
• I have tested all the changes thoroughly with a local development instance of Coolify and I am confident that they will work as expected when a maintainer tests them.

[ShadowArcanist]

Thanks for the PR!

Closing this in favor of #8329