CSTools after 5.1.1

Fixes

• CST_SaveExp doesn't save well time_bounds #137 (closed) !200 (merged)
• Corrections regarding lintr checks #144
• Add coordinates development for CST_SplitDim #145 (closed)
• CST_Start avoid using explicitly startR namespace #140 (closed)

New features

• New function CST_ChangeDimNames created by @vagudets !202 (merged)
• Update README
• Add dimension names and avoid hard-coding in CST_SplitDim #145 (closed) !204 (merged)
• Add use cases for s2dv_cube methods #142 !203 (merged)
• Add lintr in CI/CD !197 (merged)
• Add citation !198 (merged)
• Improvements in CST_SaveExp: global_attrs, time_bounds, easyNCDF dependency #141 (closed) !200 (merged)
• Add more use cases for specific calculations regarding climate analysis #142
• Add time frequency attribute in as.s2dv_cube #133
• Improve s2dv_cube #123
• Add unit test for plotting functions
• Allow flexible dimension order in CST_MultiMetric and improve the function #135
• BiasCorrection accepting 'window' dimension for the subseasonal case (stopped)

Other

• Change the function name CST_AnalogsPredictors to AnalogsPredictors (only if needed)