release v0.6.1

Release after a major review.

Strong Soldier

cat2cat v0.4.5

• graphical representation of the cat2cat procedure (more accessible)
• four periods panel dataset for tests and more tests overall
• improved documentation
• improved performance

Sth Real

This is sth real

Beginnings

cat2cat 0.1.0

• More ml methods for cat2cat function - "knn", "rf", "lda".
• prune_cat2cat and cross_cat2cat to improve processing of results.
• Enable cat2cat for panel with unique identifier.
• Turn on github actions - covr, pkgdown, check.
• Preparation before R CRAN.