Korapclient

Changes
- collocationScoreQuery method added
- hc_add_onclick_korap_search function added
- shiny web application demo added
- support for orphaned plotly package dropped
- improved documentation structure

Changes
- The local cache is now notified of new corpus index revisions when new connections are established. As a side effect, with v0.5.9 existing caches are invalidated.

Changes
- New boolean parameter `smooth` added to `hc_freq_by_year_ci`

Bug Fixes
- Fixed issues with [dplyr 1.0](https://github.com/tidyverse/dplyr/releases/tag/v1.0.0)

Changes
- Introduced continuous integration tests via gh-actions, pulled from [highcharter](https://github.com/jbkunst/highcharter) (thanks pachamaltese)

Bug Fixes
- Fixed some links in Readme.md
- Removed redundant curl import
- Fixed handling of single query term queries in highcharter-helper that had an empty plot and a warning

Unknown or uninitialised column: 'condition'.

as consequences.

- Fix some links in Readme.md
- First release on CRAN

- Use TRUE and FALSE instead of T and F
- Be more specific about authors and rights holder
- Elaborate Description field in DESCRIPTION file
- Add forthcoming LREC paper to Readme.md