Add example .env var, fix linting

.env.sample

@@ -18,3 +18,4 @@ CONFIG_ENABLED_APPS="news,notes,photos" # dashboard and files cannot be disabled
 CONFIG_FILES_ROOT_PATH="data-files"
 CONFIG_ENABLE_EMAILS="false" # if true, email verification will be required for signups (using Brevo)
 CONFIG_ENABLE_FOREVER_SIGNUP="true" # if true, all signups become active for 100 years
+# CONFIG_ALLOWED_COOKIE_DOMAINS="example.com,example.net" # can be set to allow more than the BASE_URL's domain for session cookies

lib/config.ts

@@ -22,7 +22,7 @@ export function isAppEnabled(app: 'news' | 'notes' | 'photos') {
 
 export function isCookieDomainAllowed(domain: string) {
   const allowedDomains = (Deno.env.get('CONFIG_ALLOWED_COOKIE_DOMAINS') || '').split(',') as typeof domain[];
-  
+
   if (allowedDomains.length === 0) {
     return true;
   }