Add "New Features" to README.rst.

[tobiasraabe]

• Add note on new features.
• Add to changes.

Changes

Provide a description and/or bullet points to describe the changes in this PR.

Todo

• Reference issues which can be closed due to this PR with "Closes #x".
• Review whether the documentation needs to be updated.
• Document PR in docs/changes.rst.

[codecov]

Codecov Report

Merging #110 (1a94f04) into main (494b9ed) will not change coverage.
The diff coverage is n/a.

❗ Current head 1a94f04 differs from pull request most recent head 2e31d99. Consider uploading reports for the commit 2e31d99 to get more accurate results

@@           Coverage Diff           @@
##             main     #110   +/-   ##
=======================================
  Coverage   93.30%   93.30%           
=======================================
  Files          62       62           
  Lines        5260     5260           
=======================================
  Hits         4908     4908           
  Misses        352      352           

Flag	Coverage Δ
end_to_end	79.96% <ø> (ø)
integration	41.67% <ø> (ø)
unit	67.22% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 494b9ed...2e31d99. Read the comment docs.