* Add example of different types of bean injection
* BAEL-1080 Introduction to Future and Pattern Matching in Vavr
* Update future with Pattern Matching
* remove unused files
* Update future unit test of cancelled Future
* remove unused import
* delete unused files
* using await() on future to wait until future completed instead of using while(true)
* Add Awaitability to FutureTest, avoid using while loop
* format code
* add some static void method that print the result to console
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