Create basic library

examples/option.rs

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+// Copyright (c) Tribufu. All Rights Reserved.
+// SPDX-License-Identifier: MIT
+
+use unwrap_gui::*;
+
+fn main() {
+    let option: Option<()> = None;
+    option.unwrap_gui();
+}

examples/result.rs

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+// Copyright (c) Tribufu. All Rights Reserved.
+// SPDX-License-Identifier: MIT
+
+use anyhow::{Error, Result};
+use unwrap_gui::*;
+
+fn main() {
+    let result: Result<()> = Err(Error::msg(
+        "With this trait you can display a message and exit the app.",
+    ));
+
+    result.unwrap_gui();
+}