Add comment on example hack

Author: carlopi

Cargo.toml

@@ -7,6 +7,10 @@ edition = "2021"
 crate-type = ["cdylib"]
 
 [[example]]
+# crate-type can't be (at the moment) be overriden for specific targets
+# src/wasm_lib.rs forwards to src/lib.rs so that we can change from cdylib
+# (that is needed while compiling natively) to staticlib (needed since the
+# actual linking will be done via emcc
 name = "rusty_quack"
 path = "src/wasm_lib.rs"
 crate-type = ["staticlib"]