move to api crate

Cargo.toml

@@ -12,6 +12,8 @@ linked = ["openxr/linked"]
 vulkan = ["dep:ash"]
 
 [dependencies]
+xr_api = { path = "./xr_api" }
+async-std = "1.12.0"
 bevy = "0.12.1"
 paste = "1.0.14"
 wgpu = "0.17.1"
@@ -43,6 +45,7 @@ web-sys = { version = "0.3.61", features = [
     'HtmlCanvasElement',
     'WebGl2RenderingContext',
     'WebGlFramebuffer',
+    'GamepadHapticActuator',
     ## XR
     'DomPointReadOnly',
     'XrWebGlLayer',
@@ -81,3 +84,6 @@ web-sys = { version = "0.3.61", features = [
     'XrSystem',
 ] }
 wasm-bindgen-futures = "0.4"
+
+[workspace]
+members = ["xr_api"]