jpvantassel/swbatch: v0.3.0

In this release Switch from Bash-based to Python-based application. ✨ Allow an unlimited number of .target files (only up to two were allowed previously). ✨ Allow for extracting Rayleigh and Love theoretical dispersion data. ✨ Allow for extracting Rayleigh wave ellipticity. ✨ Build Python-based application to be more general for potential use outside of the Tapis application. Provide command-line help for swbatch through the addition of Click as a dependency. Update link to Geopsy bin on Stampede2. Update readme documentation