aquats 1.2.1

CRAN Maintenance & Resubmission Fixes

• Methodology References: Added primary literature citations formatted strictly as Authors (year) <doi:...> in the Description field of DESCRIPTION per CRAN maintainer request.
• Non-ASCII Characters: Removed non-ASCII encoding in R/test_chisq.R to ensure cross-platform compatibility.
• Global Variables: Declared stratum in R/globals.R to resolve the no visible binding for global variable check note in plot_sankey().
• Documentation & URLs: Fixed empty badge links in README.md and sanitized BibTeX link syntax.
• Authorship: Updated metadata to include supervisor co-authorship.

aquats 1.2.0

• Initial CRAN submission of aquats, providing publication-ready ecological, fisheries, and environmental data analysis and visualization workflows.