i #216 Add tags for GitHub Issues and PRs

[carlosparadis]

The parsers:

• github_parse_project_issue()
• github_parse_project_pull_request()

Now also include a column "labels", which includes the tags separated by "," if present on issue or PRs.

[codecov[bot]]

Codecov Report

Merging #217 (3dc6e05) into master (a241585) will decrease coverage by 0.43%. The diff coverage is 0.00%.

:exclamation: Current head 3dc6e05 differs from pull request most recent head 3e89d82. Consider uploading reports for the commit 3e89d82 to get more accurate results

@@            Coverage Diff            @@
##           master    #217      +/-   ##
=========================================
- Coverage    9.13%   8.70%   -0.43%     
=========================================
  Files          16      17       +1     
  Lines        2179    2286     +107     
=========================================
  Hits          199     199              
- Misses       1980    2087     +107     

Impacted Files	Coverage Δ
R/github.R	0.00% <0.00%> (ø)
R/metric.R	0.00% <0.00%> (ø)
R/parser.R	8.67% <0.00%> (-0.39%)	:arrow_down:
R/text.R	0.00% <0.00%> (ø)