add toml_edit dependency

Cargo.lock

@@ -2813,6 +2813,7 @@ dependencies = [
  "regex",
  "serde",
  "serde_yaml",
+ "toml_edit",
 ]
 
 [[package]]

Cargo.toml

@@ -39,6 +39,11 @@ fastrand = "2.0"
 serde = "1.0"
 serde_yaml = "0.9"
 
+# For reading/writing the player's configuration file.
+# Use the same version/features as the already included toml_edit,
+# in the hope of shaving off some kilobytes from the resulting binary
+toml_edit = { version = "*", default-features = false, features = ["parse"] }
+
 [build-dependencies]
 embed-resource = "1.6.3"  # embedding of .exe metadata