Caddy fix (#6690)

* Caddyfile updates

- Provide CORS headers for /static/ and /media/

* Adjust config_template

- Make more open by default

InvenTree/config_template.yaml

@@ -163,8 +163,8 @@ auto_update: False
 # Allowed hosts (see ALLOWED_HOSTS in Django settings documentation)
 # A list of strings representing the host/domain names that this Django site can serve.
 # Default behaviour is to allow all hosts (THIS IS NOT SECURE!)
-# allowed_hosts:
-# - '*'
+allowed_hosts:
+  - '*'
 
 # Trusted origins (see CSRF_TRUSTED_ORIGINS in Django settings documentation)
 # If you are running behind a proxy, you may need to add the proxy address here
@@ -183,10 +183,9 @@ use_x_forwarded_port: false
 
 # Cross Origin Resource Sharing (CORS) settings (see https://github.com/adamchainz/django-cors-headers)
 cors:
+  allow_all: true
   allow_credentials: true
 
-  # allow_all: false
-
   # whitelist:
   # - https://example.com
   # - https://sub.example.com
@@ -199,11 +198,8 @@ cors:
 # STATIC_ROOT is the local filesystem location for storing static files
 #static_root: '/home/inventree/data/static'
 
-### Backup configuration options ###
 # INVENTREE_BACKUP_DIR is the local filesystem location for storing backups
-backup_storage: django.core.files.storage.FileSystemStorage
 #backup_dir: '/home/inventree/data/backup'
-#backup_options:
 
 # Background worker options
 background: