Refactor comment list

Closes #253

See merge request !207

Add sync job to github

See merge request !205

Update packages

See merge request !206

Release v1.1.0

See merge request !204

- Interaction via WebSockets
- Voting on comments by participants
- New attributes: read, favorite, correct
- Search function
- Sorting and filtering
- Presentation mode with color indication for participants
- Threshold to hide negative comments from participant and lecturer

- Add Progressive Web App functionality for a 'native app' feeling
- Theme Manager with 4 Themes to chose from
- Designimprovements

Fix comment loading for export

Closes #252

See merge request !203

Add ResetVote functionality

Closes #226

See merge request !202

Read previous Vote on comment loading

Closes #222

See merge request !201

Send ResetVote command on reclicking voting buttons

Add vote service for HTTP find request to get users votes
Pass each vote to comment component

Proxy change: add /api/vote -> comment-service

Only output stomp debug when env var is set

See merge request !200

Minor fixes

Closes #219, #237, #250, and #251

See merge request !199

Improve filtering/sorting

Closes #238 and #239

See merge request !198

Several fixes

Closes #224, #227, #228, #229, and #231

See merge request !197

Roadmap

See merge request !196

Several fixes

See merge request !194