config readme appendum

README.md

@@ -28,10 +28,14 @@ additionally, the lack of configuration compelled me even more to write my own s
 
 `shards install` && `shards build`
 
-## setup
+## configuration
 
 copy `.env.example` to `.env` and fill it out, same for `config.example.toml` -> `config.toml`
 
+by default, the config emulates vanilla GD servers as closely as possible, but you'll likely want to change it - most options have comments detailing what exactly they do
+
+## setup
+
 run `bin/crystal-gauntlet migrate` (or `shards run -- migrate`)
 
 **schemas are highly unstable so you will be offered 0 support in migrating databases for now**, however in the future you'll want to run this each time you update