Spagrn

- Add more options for spatial autocorrelation computation: Moran's I, Geary's C, and Getis–Ord statistics.
- Provide bivariate Moran's I and bivariate Geary's C statistics for gene co-expression analysis.
- Offer ISR score matrix to measure activities level of both target genes and receptor genes in each cell.

Add command line tool, including basic functions such as infer network, plot heatmap, etc.

Mainly add simulation data, AUPRC, receptors and receptor aucell

fix bugs and optimize plotting functions