Added better error handling

src/error.rs

@@ -0,0 +1,17 @@
+use std::error::Error;
+use raw_window_handle::{HasRawWindowHandle, RawWindowHandle};
+use thiserror::Error;
+
+#[derive(Error, Debug)]
+pub enum SoftBufferError<W: HasRawWindowHandle> {
+    #[error(
+        "The provided window returned an unsupported platform: {human_readable_platform_name}."
+    )]
+    UnsupportedPlatform {
+        window: W,
+        human_readable_platform_name: &'static str,
+        handle: RawWindowHandle,
+    },
+    #[error("Platform error")]
+    PlatformError(Option<String>, Option<Box<dyn Error>>)
+}