merging my feature with main

...project/controller/nursinghome/NursingHomeController.java

.../com/cardiff/client_project/mapper/NursingHomeMapper.java

...a/com/cardiff/client_project/pojo/entity/NursingHome.java

.../java/com/cardiff/client_project/service/NursingHome.java

...iff/client_project/service/imp/NursingHomeServiceImp.java

src/main/resources/static/css/beds.css

src/main/resources/static/html/beds.html

src/main/resources/static/js/beds.js