Update check as-cran and default landing page

[walkowif]

Solves these two issues:
https://github.com/insightsengineering/idr-tasks/issues/477
https://github.com/insightsengineering/idr-tasks/issues/478

[github-actions]

Code Coverage Summary

Filename                           Stmts    Miss  Cover    Missing
-------------------------------  -------  ------  -------  ---------
R/g_boxplot.R                        108     108  0.00%    150-305
R/g_correlationplot.R                129     129  0.00%    252-414
R/g_density_distribution_plot.R       86      86  0.00%    126-237
R/g_lineplot.R                       256     256  0.00%    263-588
R/g_scatterplot.R                    123     123  0.00%    143-304
R/g_spaghettiplot.R                  100     100  0.00%    197-329
R/geom_axes_line.R                   167     167  0.00%    48-370
R/t_summarytable.R                   102     102  0.00%    88-225
R/utils.R                             68      68  0.00%    21-139
TOTAL                               1139    1139  0.00%

Diff against main

Filename      Stmts    Miss  Cover
----------  -------  ------  --------
TOTAL             0       0  +100.00%

Results for commit: bdb7bcf

Minimum allowed coverage is 80%

♻️ This comment has been updated with latest results