doc: add cran comments

Author: Nicolas Casajus

.Rbuildignore

@@ -17,3 +17,4 @@
 ^air\.toml$
 ^\.vscode$
 ^real-tests$
+^cran-comments\.md$

cran-comments.md

@@ -0,0 +1,25 @@
+## Test environments
+
+* Local
+  * Arch Linux 6.14.6-arch1-1 install, R 4.5.0
+  
+* GitHub Actions
+  * macOS 14.7.5 23H527, R-release (R 4.5.0)
+  * Windows Server 2022 10.0.20348, R-release (R 4.5.0)
+  * Ubuntu 24.04.2 LTS, R-devel, R-release (R 4.5.0), R-oldrel
+  
+* WinBuilder
+  * R-devel
+  * R-release
+  * R-oldrel
+
+## R CMD check results
+
+0 errors | 0 warnings | 1 note
+
+* New submission
+* Possibly misspelled words in DESCRIPTION (not appropriate)
+
+## Downstream dependencies
+
+There are currently no downstream dependencies for this package.