edited christmas and suncycle controller

See merge request !21

added sunshine and edited christmas

See merge request !20

added sun cycle controller

See merge request !19

edited days to christmas methods

See merge request !18

added parseDate, checkDateValue and calculate days and months

See merge request !17

added christmas controller

See merge request !16

added method to calc, multiply numbers, check primenumber

See merge request !15

added server api class

See merge request !14

added new object in json to print location of Capital city

See merge request !13

added new object in json to print temp of Capital

See merge request !12

added method to print temperature in city

See merge request !11

edited insert and update methods

See merge request !10

added methods

See merge request !9

added er diagram of db in pdf

See merge request !8

added users.sql

See merge request !7

addec class city

See merge request !6

added class database, util and writerjson

See merge request !5

added new worldx

See merge request !4

added SQL quote employees between years

See merge request !3

added 3 new selects

See merge request !2