add: create basic static html, add images and styles
edit: change font size of table
add: add gitignore
add: create server base on nodejs, and create add, update, remove, get method for books(database: mongodb)
add: add css file
fixed #1: improve the GET api of book, we can find books by name or author and more now
fixed #2: checks for duplicate when adding books
fixed #3: only update a part of the attributes when I update a book
edit: update package.json
add: add search box and optimization styles of table
add: create javascript file and complete a feature what load data of book and render table
fixed #4: repair the 'bookGet' api and 'bookProcess' function
edit: change some styles for search box
fixed #5: configuration table rendering and optimization request way
fixed #6: add the feature what search books by keywords, and highlight the keywords