dev-R/*: add unbundling status

Signed-off-by: Alessandro Barbieri <lssndrbarbieri@gmail.com>

dev-R/hunspell/hunspell-3.0.1.ebuild

@@ -18,3 +18,5 @@ RDEPEND="
 	${DEPEND}
 	>=dev-R/Rcpp-0.12.12
 "
+
+#bundling status: https://github.com/ropensci/hunspell/issues/34

dev-R/jsonlite/jsonlite-1.7.2.ebuild

@@ -8,3 +8,5 @@ inherit R-packages
 DESCRIPTION='A Simple and Robust JSON Parser and generator for R'
 KEYWORDS="~amd64"
 LICENSE='MIT'
+
+#unbundling status: https://github.com/jeroen/jsonlite/issues/201

dev-R/yaml/yaml-2.2.1.ebuild

@@ -9,3 +9,5 @@ DESCRIPTION='Methods to Convert R Data to YAML and Back'
 KEYWORDS="~amd64"
 LICENSE='BSD'
 #TODO: unbundle libyaml
+#status: https://github.com/viking/r-yaml/issues/102
+#https://github.com/viking/r-yaml/commit/b4579dc42cb3bc6c78fedc46b6fa2acfc79932f3