Update DESCRIPTION with all R dependencies

Author: yuw444

DESCRIPTION

@@ -12,13 +12,31 @@ License: MIT + file LICENSE
 Encoding: UTF-8
 LazyData: true
 RoxygenNote: 7.3.3
+Depends:
+    R (>= 3.5.0)
+Imports:
+    Seurat,
+    monocle3,
+    glmGamPoi,
+    dplyr,
+    ggplot2,
+    patchwork,
+    Matrix,
+    RColorBrewer,
+    SummarizedExperiment,
+    fpc,
+    igraph,
+    jsonlite,
+    magrittr,
+    purrr,
+    scales,
+    scam,
+    tibble
 Suggests: 
     testthat (>= 3.0.0),
     pkgdown
 Config/testthat/edition: 3
-Depends: 
-    R (>= 2.10)
 SystemRequirements: 
-    htslib (>= 1.10), zlib, libpthread-stubs, sqlite3
+    htslib (>= 1.10), zlib, libbz2, openssl, sqlite3
 URL: https://github.com/yuw444/FastQDesign, https://yuw444.github.io/FastQDesign/
 BugReports: https://github.com/yuw444/FastQDesign/issues