feat(dev): add option to disable video cache on the database (for development purposes only)

src/invidious/config.cr

@@ -219,6 +219,8 @@ class Config
 
   property tokens_server : String = ""
 
+  property video_cache : Bool = true
+
   {% if flag?(:linux) %}
     property reload_config_automatically : Bool = true
   {% end %}