Add t-SNE component

[jakubmajercik]

Changelog

tSNE dimred implemented and tested

Issue ticket number and link

Closes #737

Checklist before requesting a review

• [x] I have performed a self-review of my code

• [ ] Conforms to the Contributor's guide

• Check the correct box. Does this PR contain:

  • [ ] Breaking changes
  • [x] New functionality
  • [ ] Major changes
  • [ ] Minor changes
  • [ ] Documentation
  • [ ] Bug fixes

• [x] Proposed changes are described in the CHANGELOG.md

• [x] CI tests succeed!

[jakubmajercik]

All comments should be fixed, minimal CHANGELOG.md entry added.