update readme

[pawelru]

• remove r-universe from install instructions for simplicity
• remove link to the r-universe - this fixes url checker
• code format package name

[github-actions]

Code Coverage Summary

Filename                         Stmts    Miss  Cover    Missing
-----------------------------  -------  ------  -------  --------------------
R/cdisc_data.R                       1       0  100.00%
R/deprecated.R                      57      57  0.00%    19-344
R/dummy_function.R                   2       2  0.00%    14-15
R/formatters_var_labels.R           61       0  100.00%
R/join_key.R                        38       0  100.00%
R/join_keys-c.R                     12       0  100.00%
R/join_keys-extract.R              128       0  100.00%
R/join_keys-names.R                 15       0  100.00%
R/join_keys-parents.R               30       0  100.00%
R/join_keys-print.R                 45       0  100.00%
R/join_keys-utils.R                 73       3  95.89%   35-38
R/join_keys.R                       22       0  100.00%
R/teal_data-class.R                 26       1  96.15%   69
R/teal_data-datanames.R             20       0  100.00%
R/teal_data-get_code.R              14       0  100.00%
R/teal_data-show.R                   4       4  0.00%    14-19
R/teal_data.R                       30      16  46.67%   33, 36-42, 52-58, 61
R/testhat-helpers.R                 26       0  100.00%
R/topological_sort.R                32       0  100.00%
R/utils-get_code_dependency.R      187       1  99.47%   282
R/verify.R                          42      11  73.81%   65, 95-99, 102-106
TOTAL                              865      95  89.02%

Diff against main

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

Results for commit: f06bb53

Minimum allowed coverage is 80%

♻️ This comment has been updated with latest results

[github-actions]

Unit Tests Summary

  1 files   14 suites   2s ⏱️
203 tests 201 ✅ 2 💤 0 ❌
276 runs  274 ✅ 2 💤 0 ❌

Results for commit f06bb53.

♻️ This comment has been updated with latest results.