Add feature flag for clipboard access

Cargo.toml

@@ -11,8 +11,10 @@ keywords = ["bevy"]
 exclude = ["assets/*"]
 
 [features]
+default_features = ["clipboard"]
 ## For internal use only
 internal-debugging = ["bevy/track_change_detection"]
+clipboard = ["dep:arboard"]
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
@@ -39,7 +41,7 @@ sys-locale = "0.3.0"
 document-features = "0.2.8"
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
-arboard = "3.2.0"
+arboard = { version = "3.2.0", optional = true }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 js-sys = "0.3.70"

src/input/clipboard.rs

@@ -54,7 +54,7 @@ pub(crate) fn kb_clipboard(
         let readonly = readonly_opt.is_some();
 
         let mut is_clipboard = false;
-        #[cfg(not(target_arch = "wasm32"))]
+        #[cfg(all(feature = "clipboard", not(target_arch = "wasm32")))]
         {
             if let Ok(mut clipboard) = arboard::Clipboard::new() {
                 if command && keys.just_pressed(KeyCode::KeyC) {