fundiversity 1.1.0

Minor changes

Change vignette names and indexing so that they are ordered similarly on the pkgdown website, on CRAN, and using vignette. Vignettes are renamed fundiversity_X-topic.Rmd but the overview vignette fundiversity.Rmd.
Fully replace all URLs still pointing to https://github.com/bisaloo/fundiversity to https://github.com/funecology/fundiversity
Update documentation of fd_*() functions for edge cases and arguments.
Fix unuseful argument in remove_species_without_traits() that would display FALSE at the end of each message.
Update parallel vignette with list of parallelizable function at the top and explain that vignette is pre-computed.
Update performance/benchmark vignette to reflect actually ran benchmark in manuscript.

Fix a bug in the computation of fd_fdis() because of a misplaced square. NB: All FDis computation done with it to this day were wrong.

fundiversity functions now error when used with non-continuous trait data
future_apply() and future_lapply() calls in fd_fdis(), fd_fdiv(), fd_ric(), fd_fric_intersect() and fd_feve() now use future.globals = FALSE, thus making the internal code less error-prone and faster in parallel settings.

Add a vignette on numerical correctness named correctness, accessible with vignette("correctness", package = "fundiversity").

There is a new function fd_fric_intersect() to compute the intersection of convex hulls across pairs of sites.
There is a new function fd_fdis to compute Functional Dispersion FDis.
fd_fdiv(), fd_feve(), fd_fdis(), fd_fric() can now be computed in parallel with the future framework. Please refer to the parallelization vignette for more information.
The convex hull computation in fd_fdiv(), fd_fric(), and fd_fric_intersect() is now cached thanks to the memoise package to speed up repeated runs. This behavior can be disabled by running options(fundiversity.memoise = FALSE) at the start of your R session.