Add GitHub links to DESCRIPTION

ChangjiangXu · ChangjiangXu · commit 8851288fee0c · 2024-12-01T00:25:57.000-05:00
diff --git a/DESCRIPTION b/DESCRIPTION
@@ -17,3 +17,5 @@ Suggests:
     Matrix,
     testthat (>= 3.0.0)
 Config/testthat/edition: 3
+URL: https://github.com/ChangjiangGitHub/FLASHMM
+BugReports: https://github.com/ChangjiangGitHub/FLASHMM/issues
