ADD CHANGELOG with initial release notes

Author: Andreas Günther

CHANGELOG.md

@@ -0,0 +1,29 @@
+# Change log
+
+## HEAD
+
+## 1.0.0
+
+Initial release
+
+_The missing XCTest concurrency assert functions!_
+
+Contains the following assert methods
+
+* `AsyncAssert(_:_:)`
+* `AsyncAssertTrue(_:_:)`
+* `AsyncAssertFalse(_:_:)`
+* `AsyncAssertEqual(_:_:_:)`
+* `AsyncAssertEqual(_:_:accuracy:_:)`
+* `AsyncAssertNotEqual(_:_:_:)`
+* `AsyncAssertNotEqual(_:_:accuracy:_:)`
+* `AsyncAssertGreaterThan(_:_:_:)`
+* 'AsyncAssertGreaterThanOrEqual(_:_:_:)`
+* `AsyncAssertLessThan(_:_:_:)`
+* `AsyncAssertLessThanOrEqual(_:_:_:)`
+* `AsyncAssertIdentical(_:_:_:)`
+* `AsyncAssertNotIdentical(_:_:_:)`
+* `AsyncAssertNil(_:_:)`
+* `AsyncAssertNotNil(_:_:)`
+* `AsyncAssertThrowsError(_:_:)`
+* `AsyncAssertNoThrow(_:_:)`