R CMD check found ERRORs

Process completed with exit code 1.

Invalid license file pointers: LICENSE

'::' or ':::' imports not declared from:

Functions or methods with usage in documentation object 'hello' but not in code:

Undocumented arguments in documentation object 'colorRampPalette_shuffle'

parse error in file 'lines':

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v2, r-lib/actions/setup-pandoc@v2, r-lib/actions/setup-r@v2, actions/cache@v3, actions/upload-artifact@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.