Add discontinuation notice to README

Delete top level from ToC

Remove unneeded libraries; select available port using portfinder.

Split source directory into macOS and Windows version.

Fix misspelling in README.

Update README file.

Update instruction for Cerebro v1.2.2.

Update Cerebro app icon in standalone version.

Update R packages for macOS version.

Update R packages for Windows version.

Change input data for trajectory analysis with Monocle as mentioned in #21.

Merge pull request #24 from kant/patch-1

Minor proposal on line 99

Create Docker images for v1.2.1.

Just do it.