* Create component.urm.puml

* Create App.java

* Add files via upload

* Add files via upload

* Add files via upload

* Add files via upload

* Create AppTest.java

* Add files via upload

* Update README.md

* Update README.md

* Update pom.xml

* Update App.java

* Update BjornGraphicsComponent.java

* Update BjornInputComponent.java

* Update BjornPhysicsComponent.java

* Update Component.java

* Update App.java

* Delete App.java

* Delete BjornGraphicsComponent.java

* Delete BjornInputComponent.java

* Delete BjornPhysicsComponent.java

* Delete Component.java

* Delete GameObject.java

* Delete GraphicsComponent.java

* Delete InputComponent.java

* Delete PhysicsComponent.java

* Create App.java

* Update App.java

* Update App.java

* Create BjornGraphicsComponent.java

* Create BjornInputComponent.java

* Create BjornPhysicsComponent.java

* Create Component.java

* Create GameObject.java

* Create GraphicsComponent.java

* Create InputComponent.java

* Create PhysicsComponent.java

* Delete AppTest.java

* Delete UpdateTest.java

* Create AppTest.java

* Create UpdateTest.java

* Update throttling pattern example

* delete unwanted files
Co-authored-by: NYanchaoMiao <11710204@mail.sustech.edu.cn>