Add configuration for development

Enable dynamic linking for faster cycle time during development. This
should be turned off for release, and *must* be turned off for WASM.

Also some optimization levels so the engine runs acceptably during
debug.

Cargo.toml

@@ -4,4 +4,10 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
-bevy = "0.16.1"
+bevy = { version = "0.16.1", features = ["dynamic_linking"]}
+
+[profile.dev]
+opt-level = 1
+
+[profile.dev.package."*"]
+opt-level = 3