Add builtin-vnclagoon theme (cyan #00D4FF accent on navy #0A0E1A, DM Sans body
+ Syne headings, self-hosted OFL fonts); set as default theme policy; default
mode dark. Add VNCmail wordmark SVGs (on-dark/on-light) + wire logo/company via
k8s secret template. Placeholder wordmark — swap official styleguide SVG.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
- Display Bulwark logo on the login page, with theme-aware switching
between light and dark variants based on the resolved theme
- Add LOGIN_LOGO_LIGHT_URL and LOGIN_LOGO_DARK_URL env variables to
allow custom logo overrides (defaults to bundled Bulwark branding)
- Expose logo config through /api/config endpoint and useConfig hook
- Add logo URL prompts to the setup.sh installer branding step
- Rename branding assets to use underscores instead of spaces