docs: Readme and attribution update

LICENSE

@@ -97,6 +97,7 @@ https://en.wikipedia.org/wiki/Public_holidays_in_Latvia
 https://en.wikipedia.org/wiki/Public_holidays_in_Liberia
 https://en.wikipedia.org/wiki/Public_holidays_in_Libya
 https://en.wikipedia.org/wiki/Public_holidays_in_Lithuania
+https://en.wikipedia.org/wiki/Public_holidays_in_Malaysia
 https://en.wikipedia.org/wiki/Public_holidays_in_Malta
 https://en.wikipedia.org/wiki/Public_holidays_in_Mauritania
 https://en.wikipedia.org/wiki/Public_holidays_in_Mexico

README.md

@@ -56,7 +56,7 @@ If you are missing holidays from your country, state, region please consider
 <!-- !tree -->
 
 ```
-Countries: 193
+Countries: 194
 ├── AD: Andorra
 │ └── 07: Andorra la Vella
 ├── AE: دولة الإمارات العربية المتحدة
@@ -362,6 +362,23 @@ Countries: 193
 ├── MT: Malta
 ├── MW: Malawi
 ├── MX: México
+├── MY: Malaysia
+│ ├── 10: Selangor
+│ ├── 11: Terengganu
+│ ├── 12: Sabah
+│ ├── 13: Sarawak
+│ ├── 14: Kuala Lumpur
+│ ├── 15: Labuan
+│ ├── 16: Putrajaya
+│ ├── 01: Johor
+│ ├── 02: Kedah
+│ ├── 03: Kelantan
+│ ├── 04: Malacca
+│ ├── 05: Negeri Sembilan
+│ ├── 06: Pahang
+│ ├── 07: Penang
+│ ├── 08: Perak
+│ └── 09: Perlis
 ├── MZ: Moçambique
 ├── NA: Namibia
 ├── NC: Nouvelle-Calédonie