Replace all Coolify branding with MapleDeploy across 111 files:
- Logo, favicon, and color palette (Canadian red scale, stone greys)
- Fonts: Overlock for headings, Inter for body (self-hosted woff2/ttf)
- All ~70 page titles updated to "| MapleDeploy"
- Auth pages, navbar, footer, email templates, settings, boarding flow
- Remove Hetzner provider, Coolify Cloud upsells, sponsorship popups
- Disable telemetry (Sentry DSN null, undead.coolify.io ping disabled)
- Point auto-update to MapleDeploy Forgejo registry image
- Redirect help/support links to mapledeploy.ca/contact
- Add AGPL source code link to Forgejo repo in navbar
- OpenAPI docs rebranded to MapleDeploy
- Add 429 response with Retry-After header for Hetzner server creation
- Create RateLimitException for proper rate limit error handling
- Rename cloud_provider_token_id to cloud_provider_token_uuid with deprecation
- Fix prices array schema in server-types endpoint with proper items definition
- Add explicit default: true to autogenerate_domain properties
- Add timeout and retry options to Docker install curl commands
- Fix race condition in deployment status update using atomic query
