Add communities to rsd

[dmijatovic]

RSD communites

This PR implements first version of communities into RSD. By default the communities are not "enabled".

Closes #616 Closes #1183 Closes #1184 Closes #1185
Closes #1189 Closes #1196 Closes #1214 Closes #1215

Changes proposed in this pull request:

• RSD admin can create a new community
• RSD admin can delete a community (which has no software relation)
• Community admin can changes settings, invite maintainers and create about page
• Community admin can accept/reject software requests to join the community
• All visitors can view and filter all software entries of the community

How to test:

• enable "communities" in the settings.json
• make start to build the solution and create some test data (although test data is not required)
• test basic functionality as described in #1220

PR Checklist:

• [x] Increase version numbers in docker-compose.yml
• [x] Link to a GitHub issue
• [ ] Update documentation
• [ ] Tests

[jmaassen]

Works well. I'm not sure if the 300 character short description is sufficient, but we'll figure that out once we start testing with actual content

[sonarcloud[bot]]

Quality Gate passed for 'rsd-database'

Issues
6 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
10.2% Duplication on New Code

See analysis details on SonarCloud

[sonarcloud[bot]]

Quality Gate failed for 'rsd-frontend'

Failed conditions
11.1% Duplication on New Code (required ≤ 3%)

See analysis details on SonarCloud

[dmijatovic]

@cmeessen and @fembau I would like to merge this PR today EOD. I assume you do not have any objections. Please note that the next version will require modules definition in the settings file in order to hide communities module.