Creation of route of daily events and sending messages by slack

[Senjo903]

Overview

Create a POST endpoint :
/api/event

• should receive several values ​​in json format by the body:

{
"name" : "Fullstack",
"start" : "2023-05-09T23:19:34.000Z",
"end" : "2023-05-09T23:29:34.000Z",
"calendar_description" : "text",
"daily_message" : "text",
"slack_message" : "text"
}

• create the new record in the "Event" table
• for now we will only handle 3 types of events: 'daily message', 'celebration', 'meet'
  
• In all 3 cases, an event must be created in the calendar process.env.CALENDAR_CELEBRATION_ID accessing through the configuration variables.
• in case of being type "meet" store the link in the event record "link_meet"
• If it is a "daily message" type, use the "node-schedule" library to send the "daily_message" data through the slack channel process.env.CHANNEL_SLACK_CELEBRATION
  when the message is sent save the "ts" in the value "ts_daily_message" in case you need to delete the message in the future have reference

Additional Information:

• there is already a file to integrate the daily message