Update cran-comments.md with new maintainer and revdep check

cran-comments.md

@@ -2,4 +2,17 @@
 
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-* This is a new release.
+* Maintainer: ‘Adam Kucharski <adam.kucharski@lshtm.ac.uk>’
+
+  New maintainer:
+    Adam Kucharski <adam.kucharski@lshtm.ac.uk>
+
+  Old maintainer(s):
+    Pratik R. Gupte <pratik.gupte@lshtm.ac.uk>
+
+## revdepcheck results
+
+We checked 0 reverse dependencies, comparing R CMD check results across CRAN and dev versions of this package.
+
+ * We saw 0 new problems
+ * We failed to check 0 packages