Lab5 Pull Request - Implementation of W3C standard

[oguzkagnici]

Summary

We have started implementing annotation feature, in accordance to W3C standard "Web Annotation Data Model". As of this lab, we have implemented repository and service layers. Furthermore, we have also documented details of our W3C standard of choice

Progress

Backend Implementation

Recent additions to backend can be seen from commits

Standard Documentation

Standard Document

Meeting Notes

Meeting Notes

[oguzkagnici]

Created AnnotationService and AnnotationRepository

[yektaercul]

Initially created the annotation entity in this pr

[yektaercul]

Added the service methods to AnnotationService

[deniz6221]

Created annotation interfaces for frontend. Initialized selection logic

[AliAlperenSonmez]

Documentation is created: 275