Add CRUD functionalities and group selection verification to schedule page

[pdPinho]

Issue

Closes #125

Reason for this change

I want to have access to CRUD functionalities and some visual feedback.

Description of changes

New:

• Frontend

  • Added group selection verification, preventing and providing the user with visual feedback;
  • Added Rrule js library;
  • Added default text is now shown when no group is selected or a group does not have rules;
  • Added service for CRUD rules;
  • Rules are now visible after having selected a group;
  • Added priority to rules;
  • Rules have overflow-scroll;
  • Added animations and basic functionality to manipulate visual rules.

• Backend

  • Added new endpoint to update multiple schedules at once

Fixed:

• Select days in schedule modal is now functioning correctly, providing visual feedback;
• Z-index bug in modal and startTitle component;

Description of how you validated changes

Tried some combinations of CRUD and other things.

Checklist

• [X] I have tested my changes locally.
• [ ] I have updated the documentation to reflect my changes.
• [ ] I have added/updated unit tests (if applicable).
• [X] My code adheres to the CONTRIBUTING GUIDE

Aditional Information

There is currently a bug when deleting a rule that makes it so that the rule itself is deleted but the schedule isn't (backend)

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud