refactor: Darkroom service to only render one template/screenshot for now, update algorithm to pack all of the gallery images within the constraints of the open graph preview size of 1200x630

* feat: add cascade option to deleteGallery and deletePhoto procedures to remove associated items

* get darkroom service working, testing deploy

* add workflow

* test deploy

* update nix

* use env var for chrome path

* update workflow

* fix /tmp dir

* fix

* try single process

* try this

* use internal address

* add env var for base_url, remove some chrome args

* update flake and chrome args

* use fantoccini and chromedriver

* change port

* ok try this

* fix start script

* use writeShellScript

* update

* try this

* fix: update start script path in Docker configuration

* fix: simplify start script installation in Nix derivation

* oof

* try this

* wait for fonts

* try to fix font rendering

* ok this

* add corefonts pkg

* allow unfree

* try dejavu and libreration fonts

* add fontconfig

* refactor: update darkroom service to use minijinja for HTML generation and remove deprecated scripts

* include templates in nix

- Implemented deleteGallery, deleteItem, and updateGallery endpoints for gallery management.
- Added createFollow and deleteFollow endpoints for managing follow relationships.
- Introduced photo handling APIs including uploadPhoto, deletePhoto, createExif, and applyAlts.
- Created lexicons for gallery and photo operations to define input/output schemas.
- Enhanced graph functionality with methods to retrieve followers and following with profiles.
- Added favorite creation and deletion functionalities with corresponding lexicons.

- add facets to gallery and comment lexicons
- add hashtag page for linked galleries
- render facets in profile descriptions
- add notifications for "gallery-mention" and "gallery-comment" for when a user is mentioned in either a comment or gallery description
- add "updatedAt" to gallery lexicon