Add CHANGELOG.md and upgrade notice

CHANGELOG.md

@@ -0,0 +1,32 @@
+# Changelog
+
+## v2.0.0 (2020-08-03)
+
+### Breaking Changes
+
+-   The `AuthTimeoutMiddleware` class' `redirectTo()` method signature has changed. If you are overriding this method, you should update your method's signature:
+
+```php
+/**
+ * Get the path the user should be redirected to when they timed out.
+ *
+ * @param  \Illuminate\Http\Request  $request
+ * @param  mixed    $guard
+ *
+ * @return string|null
+ */
+protected function redirectTo($request, $guard = null)
+{
+    //
+}
+```
+
+### Features
+
+-   The `AuthTimeoutEvent` class now has a `$guard` property.
+
+## v1.0.0 (2020-04-04) First Release!
+
+Welcome to Laravel Auth Timeout!
+
+See the [documentation](./README.md) to get started.

README.md

@@ -7,6 +7,8 @@
 
 A small Laravel 6+ package that handles Authentication Timeouts.
 
+When upgrading to v2, please see the [CHANGELOG.md](./CHANGELOG.md).
+
 ## Why Laravel Auth Timeout?
 
 There are times where we want to log out a user when they haven't done and request in a set of time. There is a workaround (below):