###GET '/keypoints'
response example: { keypoints:[{ id: 1, left: 23, notePosition: 21 }] }
###POST '/keypoints'
accept data example: { keypoints:[{ id: 1, left: 23, notePosition: 21 }] }
response example status 201;
###POST '/keypoints/:id'
accept data example: { keypoints:[{ id: 1, left: 23, notePosition: 21 }] }
response example 'ok'
###DELETE '/keypoints/:id'
accept data example: N/A
response example 'ok'
###GET '/posts'
response example: { posts:[{ id: 1,title:'Vicken',body:'I really enjoyed ...', left: '23px',top:'179px', bgColor:'rgb(0, 0, 255)' }] }
###POST '/posts'
accept data example: { posts:[{ id: 1,title:'Vicken',body:'I really enjoyed ...', left: '23px',top:'179px', bgColor:'rgb(0, 0, 255)' }] }
response example 'ok'
###DELTE '/posts/:id'
accept data example: N/A
response example 'ok'