Add authentication server, dev CLI, Docker multi-service setup, and cross-platform improvements

server/migrations/20260417165746_add_facebook_id.sql

@@ -0,0 +1,8 @@
+-- +goose Up
+ALTER TABLE users ADD COLUMN facebook_id INTEGER;
+CREATE UNIQUE INDEX idx_users_facebook_id ON users(facebook_id) WHERE facebook_id IS NOT NULL;
+
+-- +goose Down
+DROP INDEX IF EXISTS idx_users_facebook_id;
+ALTER TABLE users DROP COLUMN facebook_id;
+