Create user-facing node documentation

[riesentoaster]

Further TODOs

• [x] Finish actual documentation – deferred to #161
• [x] Fix text overflow if docs are too long

Related Issues

• Closes #110

Definition of Done

• [x] User Story
  • [x] All Acceptance Criteria met
• [x] Code
  • [x] No more code needed
  • [x] No known bugs
• [x] Clean Code
  • [x] Comments have been created for new code
  • [x] ESLinter found no issues (editor & executor only)
  • [x] No unavoidable Code Smells
• [x] Testing
  • [x] Existing Tests pass
  • [x] New Unit Tests created
  • [x] New Unit Tests pass
• [x] SonarCloud Quality Gate passed

Service specific Definition of done

• [ ] Api
  • [ ] New Integration Tests created
  • [ ] New Integration Tests passed
• [ ] Editor (optional)
  • [ ] New End-to-End Tests created
  • [ ] New End-to-End Tests passed

[sonarcloud[bot]]

[Landing Page] Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[sonarcloud[bot]]

[API] Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[sonarcloud[bot]]

[Editor] Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
1 Code Smell

100.0% Coverage
0.0% Duplication