Add CRAN comments and fix URL in DESCRIPTION

Author: alexpghayes

.Rbuildignore

@@ -7,3 +7,4 @@
 ^pkgdown$
 ^codecov\.yml$
 ^\.github$
+^cran-comments\.md$

DESCRIPTION

@@ -12,18 +12,19 @@ Description: Provides an S4 class for representing and
     implementation is quite spare, but the plan is eventually subclass
     Matrix objects.
 License: MIT + file LICENSE
+URL: https://rohelab.github.io/sparseLRMatrix/,
+    https://github.com/RoheLab/sparseLRMatrix
+BugReports: https://github.com/RoheLab/sparseLRMatrix/issues
 Depends: 
     Matrix,
     methods
 Imports: 
     RSpectra
-Encoding: UTF-8
-LazyData: true
-Roxygen: list(markdown = TRUE)
-RoxygenNote: 7.1.1.9000
-URL: https://rohelab.github.io/sparseLRMatrix, https://github.com/RoheLab/sparseLRMatrix
-BugReports: https://github.com/RoheLab/sparseLRMatrix/issues
 Suggests: 
     covr,
     testthat (>= 3.0.0)
 Config/testthat/edition: 3
+Encoding: UTF-8
+LazyData: true
+Roxygen: list(markdown = TRUE)
+RoxygenNote: 7.1.1.9000

cran-comments.md

@@ -0,0 +1,12 @@
+## Test environments
+
+* local R installation (ubuntu 20.04), R 4.0.4
+* MacOS (on Github Actions), R 4.0.4
+* Windows (on Github Actions), R 4.0.4, R 3.6
+* Ubuntu (on Github Actions), R devel, R 4.0.4, R 3.6, R 3.5, R 3.4, R 3.3
+
+## R CMD check results
+
+0 errors | 0 warnings | 1 note
+
+* This is a new release.