update readme

[pawelru]

• add link to teal
• add links to functions (similar to whats in the goshawk)
• use pak for install instructions
• remove link to the r-universe - fixes url check

[github-actions]

✅ All contributors have signed the CLA
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[github-actions]

Code Coverage Summary

Filename                           Stmts    Miss  Cover    Missing
-------------------------------  -------  ------  -------  ---------
R/g_boxplot.R                        116     116  0.00%    147-310
R/g_correlationplot.R                135     135  0.00%    251-419
R/g_density_distribution_plot.R       86      86  0.00%    125-236
R/g_lineplot.R                       275     275  0.00%    266-610
R/g_scatterplot.R                    130     130  0.00%    142-310
R/g_spaghettiplot.R                  101     101  0.00%    248-381
R/geom_axes_line.R                   167     167  0.00%    46-358
R/t_summarytable.R                   102     102  0.00%    87-224
R/utils.R                             70      70  0.00%    17-137
TOTAL                               1182    1182  0.00%

Diff against main

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

Results for commit: f6b82f0

Minimum allowed coverage is 80%

♻️ This comment has been updated with latest results

[pawelru]

I have read the CLA Document and I hereby sign the CLA