More docs in .env.sample

.env.sample

@@ -1,5 +1,8 @@
 TYPE=karrot
 
+# For more information about these options
+# see https://docs.karrot.world/self-host/options
+
 DOMAIN=karrot.example.com
 
 COMPOSE_FILE="compose.yml"
@@ -42,6 +45,8 @@ EMAIL_BACKEND=console
 
 # For web push set this, and the vapid private key secret
 # You need to generate a valid vapid keypair
+# You can generate one by running:
+# docker run --rm codeberg.org/karrot/generate-vapid-keypair
 #VAPID_PUBLIC_KEY=
 #VAPID_ADMIN_EMAIL=
 #SECRET_VAPID_PRIVATE_KEY_VERSION=v1
@@ -51,6 +56,7 @@ EMAIL_BACKEND=console
 #MEET_LIVEKIT_API_KEY=
 #SECRET_LIVEKIT_API_SECRET_VERSION=v1
 
+# You probably don't need to touch these
 SITE_URL=https://${DOMAIN}
 LETS_ENCRYPT_ENV=production
 CSRF_TRUSTED_ORIGINS=${SITE_URL}