Add new series

[dieghernan]

For IBEx. Also remove tidyverse from DESCRIPTION

Close #30

[codecov]

Codecov Report

Merging #31 (f4a745e) into main (9db11a1) will increase coverage by 0.00%.
The diff coverage is 100.00%.

❗ Current head f4a745e differs from pull request most recent head 6f24c33. Consider uploading reports for the commit 6f24c33 to get more accurate results

@@           Coverage Diff           @@
##             main      #31   +/-   ##
=======================================
  Coverage   99.48%   99.49%           
=======================================
  Files           5        5           
  Lines         390      397    +7     
=======================================
+ Hits          388      395    +7     
  Misses          2        2           

Impacted Files	Coverage Δ
R/catalogs.R	99.19% <100.00%> (+0.01%)	⬆️
R/indicators.R	100.00% <100.00%> (ø)
R/series.R	100.00% <100.00%> (ø)

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