Change log for package SOAs

Version 1.0-1, 16 December 2021

* expanded description in DESCRIPTION file, and added a reference
* changed argument F to Fhat in internal function optimize
* made a few changes to the documentation, as requested by CRAN
* corrected a miswrite in a reference for createAB

Version 1.0, 11 December 2021

* first version submitted to CRAN
