Vendor dependencies for 0.3.0 release

vendor/windows-result-0.2.0/src/lib.rs

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+/*!
+Learn more about Rust for Windows here: <https://github.com/microsoft/windows-rs>
+*/
+
+#![cfg_attr(
+    windows_debugger_visualizer,
+    debugger_visualizer(natvis_file = "../.natvis")
+)]
+#![cfg_attr(all(not(feature = "std"), not(test)), no_std)]
+#![cfg_attr(not(windows), allow(unused_imports))]
+
+extern crate alloc;
+
+#[allow(unused_imports)]
+use alloc::{string::String, vec::Vec};
+
+mod bindings;
+use bindings::*;
+
+#[cfg(all(windows, not(windows_slim_errors)))]
+mod com;
+
+#[cfg(windows)]
+mod strings;
+#[cfg(windows)]
+use strings::*;
+
+#[cfg(all(windows, not(windows_slim_errors)))]
+mod bstr;
+
+mod error;
+pub use error::*;
+
+mod hresult;
+pub use hresult::HRESULT;
+
+/// A specialized [`Result`] type that provides Windows error information.
+pub type Result<T> = core::result::Result<T, Error>;