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]

Unit Tests Summary

    1 files    10 suites   7s ⏱️
  97 tests   95 ✔️ 2 💤 0 ❌
201 runs  199 ✔️ 2 💤 0 ❌

Results for commit 8f8c612.

[github-actions]

Code Coverage Summary

Filename                   Stmts    Miss  Cover    Missing
-----------------------  -------  ------  -------  ----------------------------------------------------------
R/basic_table_args.R          23       0  100.00%
R/draggable_buckets.R         82      82  0.00%    57-152
R/get_dt_rows.R               13      13  0.00%    27-39
R/ggplot2_args.R              49       0  100.00%
R/include_css_js.R             7       1  85.71%   17
R/optionalInput.R            218     185  15.14%   78-353, 405, 440, 444, 448, 450, 456, 471-484
R/panel_group.R               89      89  0.00%    12-130
R/plot_with_settings.R       382      24  93.72%   271-284, 306, 343-344, 355-356, 365-366, 610-611, 613, 615
R/standard_layout.R           40       0  100.00%
R/table_with_settings.R      173      21  87.86%   14-35, 79
R/utils.R                      4       1  75.00%   7
R/verbatim_popup.R           100      49  51.00%   64-79, 105-106, 108, 116-144, 165
R/white_small_well.R           7       7  0.00%    18-24
TOTAL                       1187     472  60.24%

Diff against main

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

Results for commit: 842812c

Minimum allowed coverage is 80%

♻️ This comment has been updated with latest results