Move some code and add kata.md

kata.md

src/main/java/fr/takima/lotka_volterra/common/Angle.java

src/main/java/fr/takima/lotka_volterra/common/Distance.java

...ain/java/fr/takima/lotka_volterra/common/Probability.java

src/main/java/fr/takima/lotka_volterra/common/Vector.java

...java/fr/takima/lotka_volterra/common/VectorComponent.java

...otka_volterra/mating/DefaultPredatorMatingConfigurer.java

...ma/lotka_volterra/mating/DefaultPreyMatingConfigurer.java

...ava/fr/takima/lotka_volterra/mating/MatingConfigurer.java

...otka_volterra/moving/DefaultPredatorMovingConfigurer.java

...ma/lotka_volterra/moving/DefaultPreyMovingConfigurer.java

src/main/java/fr/takima/lotka_volterra/moving/Moving.java

...ava/fr/takima/lotka_volterra/moving/MovingConfigurer.java

...in/java/fr/takima/lotka_volterra/moving/MovingEntity.java

src/main/java/fr/takima/lotka_volterra/moving/Position.java

...va/fr/takima/lotka_volterra/moving/PositionComponent.java

.../lotka_volterra/predation/DefaultPredationConfigurer.java

.../takima/lotka_volterra/predation/PredationConfigurer.java

...ava/fr/takima/lotka_volterra/moving/MovingEntityTest.java