Improved Divewatchr overview report, updated README and passing CMD check

1.3.0

updated overview file

Simplify usage and provide logbook overview

The divewatch function creates a .html file for a visual overview of the complete diving logbook

Updated README, improved documentation and added divetypes plot function

1.1.2

updated README and added argument to divesite_depths function

Added mock dataset and improve functions documentation

1.1.1

added mock data creation to the prep_data function

Convert repo into package

The functions from the repository were compiled into an R package

Added new plots + cleanup libraries

1.0.3

Update README

New data added (2016)

a number of dives from 2016 were added, most of them do not have depths so only modify the map and the cumulative plot

Added new plot

1.0.1

added new plot

First version

functions to read data and perform some plots and an interactive map