Introduce a generic rust async runtime integration

godot-core/Cargo.toml

@@ -13,6 +13,7 @@ homepage = "https://godot-rust.github.io"
 [features]
 default = []
 register-docs = []
+
 codegen-rustfmt = ["godot-ffi/codegen-rustfmt", "godot-codegen/codegen-rustfmt"]
 codegen-full = ["godot-codegen/codegen-full"]
 codegen-lazy-fptrs = [
@@ -50,6 +51,8 @@ glam = { workspace = true }
 serde = { workspace = true, optional = true }
 godot-cell = { path = "../godot-cell", version = "=0.3.2" }
 
+pin-project-lite = { workspace = true }
+
 [build-dependencies]
 godot-bindings = { path = "../godot-bindings", version = "=0.3.2" }
 godot-codegen = { path = "../godot-codegen", version = "=0.3.2" }