fix R CMD check complaining about LICENSE

Author: e-kotov

.Rbuildignore

@@ -13,3 +13,4 @@
 ^cran-comments\.md$
 ^data-raw$
 ^man/figures/opengraph-card.png$
+^LICENSE.md$

LICENSE

@@ -1,18 +1,2 @@
-Copyright 2020 Ilya Boyandin
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-the Software, and to permit persons to whom the Software is furnished to do so,
-subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+YEAR: 2020
+COPYRIGHT HOLDER: Ilya Boyandin

LICENSE.md

@@ -0,0 +1,20 @@
+# MIT License
+
+Copyright 2020 Ilya Boyandin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

cran-comments.md

@@ -16,11 +16,3 @@
     installed size is  5.0Mb
     sub-directories of 1Mb or more:
       htmlwidgets   3.9Mb
-
-
-**Maintainer comment**: The package is large because it needs to bundle a js library.
-
-❯ checking DESCRIPTION meta-information ... NOTE
-  License stub is invalid DCF.
-
-**Maintainer comment**: I have search the internet about this error and found nothing... I would appretiate help with that. I also found that some existing packages have this note too. E.g. https://cran.rstudio.com/web/checks/check_results_OpenCL.html