update readme

[pawelru]

• add link to the teal
• add link to individual functions
• use pak for install instructions
• remove link to r-universe - fixes url checker

[github-actions]

Code Coverage Summary

Filename                   Stmts    Miss  Cover    Missing
-----------------------  -------  ------  -------  ---------
R/g_ae_sub.R                 344     344  0.00%    147-536
R/g_butterfly.R              183     183  0.00%    102-319
R/g_events_term_id.R         263     263  0.00%    129-490
R/g_heat_bygrade.R           210     210  0.00%    139-371
R/g_hy_law.R                  77      77  0.00%    119-199
R/g_patient_profile.R        390     390  0.00%    295-959
R/g_spiderplot_simple.R       20      20  0.00%    37-59
R/g_spiderplot.R             174     174  0.00%    109-345
R/g_swimlane.R               139     139  0.00%    119-320
R/g_waterfall.R              306     306  0.00%    146-506
R/stream_filter.R            126     126  0.00%    34-296
R/utils.R                    153     153  0.00%    43-362
TOTAL                       2385    2385  0.00%

Diff against main

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

Results for commit: 09d3f53

Minimum allowed coverage is 80%

♻️ This comment has been updated with latest results

[donyunardi]

minor comment.
Approved.