add support for static_configs in swboot (#430)

Co-authored-by: furest <furest@furest.be>

Author: furest

modules/swbootd/templates/config.py.erb

@@ -53,6 +53,10 @@ static_files = {}
 for sf in yaml_conf['static_files']:
   static_files.update(sf)
 
+# Folder containing static configurations to be served as-is by switchboot (ACCESS;)
+static_configs = None
+if 'static_configs' in yaml_conf:
+    static_configs = yaml_conf['static_configs']
 
 # ===============================================================
 # Do not change below this if you do not know what you're doing!